Buried beneath the icy surface of the Arctic tundra lie secrets that hold the key to understanding global climate patterns and their changes over time. 



These hidden treasures include permafrost, ancient ice cores, fossilized flora and fauna, and other geological records that provide invaluable insights.



With the collaborative efforts of a dedicated team of international researchers, <a href="https://www.earth.com/news/arctic-warming-influences-us-weather-patterns-ai-machine-learning/" target="_blank" rel="noreferrer noopener">utilizing advanced technology</a> and innovative methods, the Arctic is beginning to reveal some of its mysteries. 



As they delve deeper into this frozen landscape, they are uncovering data that could help predict future climate scenarios and enhance our understanding of the Earth's environmental processes.



<h2 class="wp-block-heading" id="h-melting-arctic-drives-global-climate">Melting Arctic drives global climate</h2>



Leading the charge to unveil these secrets is Ted Schuur, Regents' Professor of Biological Sciences at <a href="https://nau.edu/" target="_blank" rel="noreferrer noopener">Northern Arizona University</a>.



Far from being a mere 'frozen wasteland', the Arctic plays a mighty role in the carbon cycle of our planet. 



Comprising the tundra and boreal forests, the northern circumpolar permafrost region, although occupying just 15% of the Earth's soil area, stows away nearly a third of the world's soil organic carbon. 



This storage is essential for <a href="https://www.earth.com/news/study-reveals-new-clues-about-rapid-arctic-warming/" target="_blank" rel="noreferrer noopener">regulating the climate</a> of the planet, acting as a dual role of a carbon sink and a potential source.



<h2 class="wp-block-heading" id="h-warming-permafrost-is-a-silent-assassin">Warming permafrost is a silent assassin</h2>



As the planet continues to warm, the permafrost regions are experiencing temperature increases at a pace three to four times higher than the global average. 



This accelerated thawing process is not just a minor concern; it triggers a significant increase in carbon cycling, predominantly driven by <a href="https://www.earth.com/news/arctic-warming-impacts-dust-levels-on-a-global-scale/" target="_blank" rel="noreferrer noopener">ecosystem respiration</a>. 



Schuur and his colleagues warn that this could escalate future climate change by an alarming 10%–20%. 



To put this into perspective, imagine the emissions equivalent to those produced by a fully operational industrial nation being released into the atmosphere by the end of the century. That's what's happening right now.



This scenario underscores the urgency of addressing climate change and highlights the critical role that permafrost plays in our <a href="https://www.earth.com/news/arctic-ocean-warming-four-times-faster-than-global-average/" target="_blank" rel="noreferrer noopener">global ecosystem</a>. 



The potential impacts on weather patterns, sea levels, and <a href="https://www.earth.com/news/arctic-invasion-jellyfish-are-moving-north-in-a-warming-climate/" target="_blank" rel="noreferrer noopener">biodiversity</a> could be devastating, making it imperative for us to take immediate action to mitigate these effects.



<h2 class="wp-block-heading" id="h-challenge-for-the-paris-agreement">Challenge for the Paris Agreement</h2>



The ambitious climate goals established by the <a href="https://www.earth.com/news/world-unprepared-paris-agreement/" target="_blank" rel="noreferrer noopener">Paris Agreement</a> in 2016 face a significant challenge due to the potential emissions released from the thawing Arctic permafrost. 



This phenomenon was largely unknown at the time the agreement was codified, and is only now becoming an increasingly serious concern as global temperatures rise. 



Permafrost, which has been frozen for thousands of years, harbors vast amounts of greenhouse gases, particularly methane and carbon dioxide, that could be <a href="https://www.earth.com/news/time-traveling-pathogens-exposing-the-dangers-of-melting-permafrost/" target="_blank" rel="noreferrer noopener">released as it thaws</a>. 



The Paris Agreement, embraced by 196 countries, aims to limit global warming to well below 2 degrees Celsius above pre-industrial levels. 



However, the vast emissions from permafrost melt are only now becoming apparent, and it does not seem to be fully prepared to adapt to the <a href="https://www.earth.com/news/abrupt-permafrost-thaw-releases-more-co2-than-expected/" target="_blank" rel="noreferrer noopener">implications of this thawing</a>. 



To effectively compensate for these unforeseen emissions and the complications they bring, the participating countries may have to implement even more robust carbon-cutting commitments. 



This will require innovative strategies and collaboration on a global scale to ensure that climate targets remain achievable.



<h2 class="wp-block-heading" id="h-complexities-of-carbon-cycling">Complexities of carbon cycling</h2>



To understand the nuances of <a href="https://www.earth.com/news/tiny-plankton-play-a-big-role-in-the-global-carbon-cycle/" target="_blank" rel="noreferrer noopener">carbon cycling</a> in the Arctic, Schuur and his team ventured into detailed studies. They analyzed decades of data from 70 sites, including both permafrost and non-permafrost ecosystems. 



The findings showed an alarming trend -- while non-permafrost systems could store additional carbon due to increased plant growth in summer, permafrost systems faced significant carbon losses in the fall and winter.



Senior scientist at <a href="https://www.woodwellclimate.org/" target="_blank" rel="noreferrer noopener">Woodwell Climate Research Center</a>, Sue Natali, a co-author of the study, stressed the importance of these findings. 



"This analysis of long-term field measurements helps us to develop a more complete picture of <a href="https://www.earth.com/news/including-animals-carbon-cycle-models-boosts-ecosystem-health/" target="_blank" rel="noreferrer noopener">carbon cycling</a> in the North and how it's changing as temperatures rise," Natali explained. 



"We're seeing permafrost areas release more carbon in the fall and early winter than they used to, a consequence of rising temperatures and deeper thaw during the summer."



<h2 class="wp-block-heading" id="h-simulating-arctic-warming-s-climate-impact">Simulating Arctic warming's climate impact</h2>



In a different study, researchers probed into how potential warming might change the Arctic. They simulated warming at 28 tundra sites using miniature greenhouses. 



They found that a mere 1.4°C increase in air temperature and a 0.4°C increase in soil temperature could cause a 30% increase in ecosystem respiration. This emphasizes the potential for increased <a href="https://www.earth.com/news/income-inequality-and-carbon-emissions-have-a-complicated-relationship/" target="_blank" rel="noreferrer noopener">carbon emissions</a> with rising global temperatures.



The research also pointed to the influence of local environmental factors, such as water and nutrient availability, on carbon uptake and respiration. 



<h2 class="wp-block-heading" id="h-local-conditions-and-missing-data">Local conditions and missing data</h2>



These factors can cause significant variations across different sites. Predicting future changes, therefore, must factor in these local conditions.



"Experiments such as these expose natural ecosystems to environmental conditions that we expect to occur in the Arctic in the future," Schuur expounded.



"These data, collected from experiments across the entire region, give us an insight of how the Arctic region will act to accelerate future climate change as stored permafrost carbon is released to the atmosphere in the form of carbon dioxide and <a href="https://www.earth.com/news/study-reveals-previously-unknown-sources-of-methane-production/" target="_blank" rel="noreferrer noopener">methane greenhouse gases</a>."



The global nature of Arctic research adds layers of complexity to the whole process. Recent geopolitical issues, such as the invasion of Ukraine, have resulted in losing access to data from Russian permafrost sites, creating a serious data gap. 



Building new sites in North America could partially compensate for this loss, but it would not fully replace the unique data from Russian ecosystems.



<h2 class="wp-block-heading" id="h-arctic-permafrost-and-global-climate-disaster">Arctic permafrost and global climate disaster</h2>



In summary, the research conducted by Schuur and his team helps us comprehend the crucial role the Arctic plays in global carbon cycling and climate change. 



The need for international collaboration in Arctic research is more urgent than ever. Understanding how the Arctic works is the key to confronting the challenges of future climate changes.



The bottom line? The Arctic is not just a remote, icy wilderness. It's an active, dynamic, and vital part of our planet's climate system. Its changes affect us all, in every corner of the Earth. 



Simply saying that preserving the Arctic is "crucial" for the future of the planet is a gross understatement. It's an absolute necessity.



So, next time you think of the Arctic, think beyond the <a href="https://www.earth.com/news/polar-bear-conservation-leaps-forward-with-new-tracking-technology/" target="_blank" rel="noreferrer noopener">polar bears</a> and the ice. It's time to support and expand research in this crucial region. After all, it contains secrets to our climate that holds the potential to shape our future.



The full studies were published in the journals <a href="https://www.nature.com/articles/s41558-024-02057-4" target="_blank" rel="noreferrer noopener">Nature Climate Change</a> and <a href="https://www.nature.com/articles/s41558-024-02001-6">Nature</a>.



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Arctic warming plays a devastating role in accelerating global climate change

Buried beneath the icy surface of the Arctic tundra lie secrets that hold the key to understanding global climate patterns and their changes over time. These hidden treasures include permafrost, ancient ice cores, fossilized flora and fauna, and other geological records that provide invaluable insights. With the collaborative efforts of a dedicated team of international researchers, utilizing advanced technology and innovative methods, the Arctic is beginning to reveal some of its mysteries. As they delve deeper into this frozen landscape, they are uncovering data that could help...

Residents of a Native village threatened by erosion were thankful for President Barack Obama's attention to their plight, saying they hope his visit to Alaska will help them secure funding to build a critical evacuation road to drier ground.
Even with a protective ocean rock wall, the impoverished Inupiat Eskimo community of Kivalina has no more than a decade left before erosion begins to force people from their homes, said Millie Hawley, president of Kivalina's tribal council.
Villagers say a couple homes near the village lagoon are already threatened by erosion, which has come within 3 feet of the foundation of one dwelling.
With about 400 people, Kivalina is located at the tip of a barrier reef 80 miles northwest of the regional hub of Kotzebue, where Obama was scheduled to visit Wednesday during his tour of Alaska to show the effects of climate change.
In July, a White House advance team visited Kivalina about 625 miles northwest of Anchorage to scope it out as a possible stop for the president, but the visit didn't materialize.
The president, however, did get a look at Kivalina on Wednesday as Air Force One did a flyover when it was en route to Kotzebue. The president's plane came down low to the ground, and the village was visible on the left side of the plane.
The pilots turned the plane around to fly over Kivalina again so the president could get a second look.
"On my way here, I flew over the island of Kivalina, which is already receding into the ocean," Obama said during his address in Kotzebue.
He described how waves sweep across the entire barrier island at times.
"For many of those Alaskans, it's no longer a question of if they are going to relocate, but when," Obama said. "Think about that. If another country tried to do wipe out an entire town, we'd do everything in our power to protect it."
Hawley was among 10 village leaders who flew by charter plane to Kotzebue, and she introduced the president before his address.
"I think we're in a prominent place to get our issues addressed on climate change," Hawley said. "It's all about life safety and food security."
Brian Deese, Obama's senior adviser for climate and energy issues, said the federal government was working to address concerns in Kivalina and similar villages that find it hard to access federal funds for relocation.
He said that Alaska Natives had identified USDA water infrastructure grants as a particular source of funding that could be helpful.
Hawley said the village wants to build a 7-mile evacuation road and causeway to the mainland where residents voted several years ago to build a future school at a potential relocation site.
Erosion is only part of the impact of climate change, which is accelerating in the Arctic. Villagers say the migrations of animals they rely on for much of their diet, such as bearded seal and caribou, have become unpredictable and is taking place far earlier. That is forcing residents to travel farther to hunt.
For the past few years, the caribou that used to show up by the thousands near the village have all but disappeared.
Also, the ice that protects the shores from storm surges is forming later and melting earlier, allowing stronger storms to lash out at the eroding coastline.
Joseph Swan Jr., who manages Kivalina's water plant, has lived in the village all his 47 years. He welcomed the opportunity for the village to be on Obama's radar because the president has global influence.
"It's great that somebody's finally paying attention, real attention, and letting us know we're not invisible," Swan said.
---
Associated Press writer Josh Lederman contributed to this report from Air Force One over Kivalina.
---
Follow Rachel D'Oro at <a href="https://twitter.com/rdoro" target="_blank" rel="noopener">https://twitter.com/rdoro</a>
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Kivalina, Alaska Will Be A Global Warming Casualty Within A Decade

Residents of a Native village threatened by erosion were thankful...

Global Climate Pact Starting To Take Shape. U.N. climate talks are plodding ahead toward a worldwide deal to fight global warming, with negotiators agreeing to start work on a draft agreement for a global climate pact.
A weeklong session in Bonn finished Friday with the two officials leading the talks getting the green light to turn a sprawling negotiating text into a coherent draft by the next round of talks in October. The deal is expected to be signed in <a href="https://www.bing.com/search?q=paris&amp;cvid=921d165e7ba74c23a98f3a5357617f19&amp;FORM=ANAB01&amp;PC=HCTS">Paris</a> in December.
Crunch issues that remain include resolving how to share the burden of slashing climate-warming carbon emissions and helping poor countries adapt to rising sea levels and other effects of global warming.
The U.S., European Union and other developed nations want the new deal to reflect evolving national circumstances so <a href="http://www.earth.com/news/less-vegetation-is-appearing-in-countries-that-need-it-most/">countries</a> take on more responsibilities as their economies and their carbon emissions grow. But India and others want to retain the firewall between developed and developing countries that's been at the core of previous agreements, requiring only developed nations to set binding targets to cut emissions.
"Some countries have a GDP per capita of more than $20,000, others have just $400," India's chief negotiator Ravi Prasad told The Associated Press. "There is a clear differentiation in the real world ... so how can we not have a difference in how we deal with climate change?"
China and India say the industrialized countries have a historical responsibility for climate change because they've released the most emissions over time, mainly from burning oil, coal and gas. However, developed country negotiators said the two sides are moving closer on the issue.
"We are not that far away," EU delegate Sarah Blau said.
In practice, the rich-poor division is already blurred. Except for the very poorest, all countries are supposed to submit pledges to cut emissions for the new deal. China submitted its pledge in June; India is expected to do so this month.
Also, several developing countries including South Korea, Mexico and Colombia have joined rich nations in pledging contributions to a climate fund to help the poorest countries deal with climate change.
Delegates in Bonn appeared to move closer on another controversial issue: how to help vulnerable nations deal with climate impacts they cannot adapt to, such as rising seas that threaten their coastlines and drinking water. Global Climate Pact Starting To Take Shape
The U.S. and other Western countries are concerned the issue could lead to claims of liability and compensation for climate change losses. The U.S. presented a proposal in Bonn to continue discussions on the issue, even if it's not enshrined in the Paris deal.
"I'm sure throughout the negotiations we'll be able to find suitable language that caters to the interests of both us and the U.S.," said Amjad Abdulla of the Maldives, the chief negotiator for small island states.
Some delegates and environmental groups were disappointed with the slow pace in Bonn but U.N. climate chief Christiana Figueres urged patience.
"The proof is in the pudding," she said. "And the pudding is going to come out of the oven in Paris."
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Global Climate Pact Starting To Take Shape

Global Climate Pact Starting To Take Shape. U.N. climate talks...

Work On 10 Sites Suspended After Colorado Spill. Site investigations and some cleanup work at 10 polluted mining complexes in four states were suspended because of conditions similar to those that led to a massive wastewater blowout from an inactive Colorado gold mine, U.S. Environmental Protection Agency officials said.
The sites include three in California, four in Colorado, two in Montana and one in Missouri, according to details obtained by The Associated Press following repeated requests for the information. Work On 10 Sites Suspended After Colorado Spill
They have the potential for contaminated water to build up inside mine workings, EPA Assistant Administrator Mathy Stanislaus said. That would set the stage for a possible spill such as last month's near Silverton, Colorado, where an EPA team triggered a 3 million gallon blowout of toxic sludge while doing excavation work on the inactive Gold King Mine.
The accident fouled rivers in three states and attracted harsh criticism of the EPA for not being prepared despite prior warnings that such a spill could happen.
"We want to take extra caution before we initiate any work," Stanislaus said of the work suspensions. Some the mines were abandoned decades ago and have grown more unstable over time, raising the risk of an accident.
The stop-work order was issued last month but officials for weeks refused to disclose specifics.
Cleanup efforts on some of the mines have been going on for years yet remain unfinished, underscoring the complexity of a long-running attempt to address an estimated 500,000 abandoned mines across the U.S. Work on others was in the early stages.
In a report to Congress delivered Friday, the Government Accountability Office said federal agencies identified thousands of contaminated mine sites in recent years - even as their attempts to assess what harm is being done to people and the environment have lagged.
Further investigations were needed to gauge the danger posed by the 10 mining complexes under the suspension before work could safely resume, according to internal EPA documents released by the agency.
That includes categorizing their level of hazard. For those deemed a "probable hazard," the EPA plans to keep the work stoppage in place until emergency plans are drawn up to deal with any accident.
The agency also wants to get the results of an Interior Department investigation into the Colorado accident before proceeding on most of the other sites. That's expected in late October, department officials said.
Prior to the Aug. 5 Gold King spill, the EPA and its contractor, Environmental Restoration LLC of St. Louis, appeared to have only a cursory emergency response plan in the event of a spill, according to documents released under public records requests.
There was no cellphone coverage at the remote site in the San Juan Mountains, and the workers did not have a satellite phone, according to EPA documents. As a result, they had no way to immediately communicate with the outside world when the rust-colored water loaded with heavy metals, including lead and arsenic, began rushing toward downstream communities.
One of the sites where cleanup work was subsequently halted was the Standard Mine in the mountains above Crested Butte, a ski town in west-central Colorado. Crested Butte Mayor Aaron Huckstep said that after work was suspended, the EPA met with residents and officials and made sure cleanup workers could communicate directly with the town in an emergency.
"They understood that they needed to make sure that the communication channels and the communication protocols were in place and the folks knew who to call and when to call them," Huckstep said.
EPA documents show wastewater at the site periodically spills over a crudely-built impoundment, raising concerns about a "potential catastrophic failure" and the possibility of tainting Crested Butte's drinking water. But Huckstep said he didn't believe the Standard Mine was a threat to blow out, based on EPA statements and differences in the land.
The EPA said the town's water meets safety standards.
Colorado Department of Public Health and Environment spokesman Warren Smith said wastewater flowing from the mine was not considered an acute health threat. Work on the site resumed Sept. 4 after officials determined appropriate safety measures were in place.
The Aug. 12 stop-work order from EPA Administrator Gina McCarthy did not apply to sites where halting operations would pose a threat to people or increase the potential for harm to the environment, according to internal EPA documents.
Also exempted were portions of the 10 stopped projects where construction already was completed, such as treatment systems for contaminated water that pours continually from many abandoned mine shafts.
That's the case for two sites listed in northern <a href="https://www.bing.com/search?q=california&amp;cvid=fd080693bd5c40978847ead77d982ee9&amp;FORM=ANAB01&amp;PC=HCTS">California</a> - the Leviathan sulfur mine near the town of Markleeville and the Iron Mountain metals mine near Redding. Water continues to be collected at the sites, to be treated and then discharged.
"We have not received any direction from EPA to shut down our treatment. It's been business as usual for us out there," said Scott Ferguson with the Lahonton Regional Water Quality Control Board, which is involved with the Leviathan mine.
EPA spokeswoman Laura Allen said other work at the two mines has stopped, including plans to remove a beaver dam at Leviathan.
The following mining sites are affected by a U.S. <a href="https://www.earth.com/news/sea-stars-may-be-drowning-in-their-environment/">Environmental</a> Protection Agency decision to suspend investigations and some cleanup work at locations with similarities to a mine involved in a 3-million-gallon wastewater spill near Silverton, Colorado, in August:
-Leviathan Mine, near Markleeville, California. An open-pit sulfur mine that closed in 1962. Acid mine water drains from the 250-acre site and has killed off aquatic life in nearby creeks.
-Iron Mountain Mine, northwest of Redding, California. After operating for a century, the mine closed in 1963. Periodic uncontrolled spills have caused major fish kills in surrounding waterways.
-Standard Mine, near Crested Butte, Colorado. The former zinc, lead, silver and gold mine in the Gunnison National Forest shut down in 1966. Heavy metals including cadmium, zinc, lead and copper have contaminated Elk Creek, which drains into another stream that provides drinking water for Crested Butte.
-Southwest Jefferson County mining complex, near De Soto, Missouri. As many as 190 mines once operated in this 166-square-mile area first developed in the early 1800s. Lead has contaminated the soil and groundwater of residential properties in the area.
-Argonaut Mine, Jackson, California. A former gold mine that closed in 1942, Argonaut was the site of a 1922 fire that killed 47 workers. The 65-acre site contains highly contaminated soils and mine tailings.
-Flat Creek/Iron Mountain Mine, near Superior, Montana. It produced silver, lead, gold and other ores and closed in 1953. Mine tailings were used as fill and roadway material in Superior. Flooding has spread piles of contaminated waste throughout the Flat Creek flood plain.
-Upper Tenmile Creek mining area, southwest of Helena, Montana. Mining in the area, which is upstream of drinking-water sources for Helena, largely ceased in the 1930s. Surface waters and river sediments contain high levels of leads, arsenic, cadmium, copper and zinc that drained from the mines.
-Camp Bird Mine, near Ouray, Colorado. A former gold and silver mine that also produced other metals and operated from 1900 to 1990. Colorado health officials said they were not aware of any cleanup work being done.
-James Creek, 40 miles northwest of Denver. Colorado health officials said they were not aware of any cleanup work being done. No further information was available.
-Eagle River, central Colorado. No further information was available.
---
Sources: EPA, mindat.org
<a id="0e8b51f3-04a1-4045-9f59-f8045066de11" href="http://hosted.ap.org/dynamic/stories/U/US_MINE_WASTE_SPILL_GLANCE?SITE=AP&amp;SECTION=HOME&amp;TEMPLATE=DEFAULT&amp;CTIME=2015-09-12-01-36-34#0e8b51f3-04a1-4045-9f59-f8045066de11" rel="item-license">© 2015 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.</a> Learn more about our <a href="http://hosted2.ap.org/APDEFAULT/privacy">Privacy Policy</a>and <a href="http://hosted2.ap.org/APDEFAULT/terms">Terms of Use</a>.

Work On 10 Sites Suspended After Spill

Work On 10 Sites Suspended After Colorado Spill. Site investigations...

Global Climate Pact Starting To Take Shape. U.N. climate talks are plodding ahead toward a worldwide deal to fight global warming, with negotiators agreeing to start work on a draft agreement for a global climate pact.
A weeklong session in Bonn finished Friday with the two officials leading the talks getting the green light to turn a sprawling negotiating text into a coherent draft by the next round of talks in October. The deal is expected to be signed in<a href="https://www.bing.com/search?q=paris&amp;cvid=921d165e7ba74c23a98f3a5357617f19&amp;FORM=ANAB01&amp;PC=HCTS"> Paris</a> in December.
Crunch issues that remain include resolving how to share the burden of slashing <a href="http://www.earth.com/news/mangrove-forests-in-oman-were-wiped-out-by-climate-change/">climate</a>-warming carbon emissions and helping poor countries adapt to rising sea levels and other effects of global warming. Global Climate Pact Starting To Take Shape
The U.S., European Union and other developed nations want the new deal to reflect evolving national circumstances so countries take on more responsibilities as their economies and their carbon emissions grow. But India and others want to retain the firewall between developed and developing countries that's been at the core of previous agreements, requiring only developed nations to set binding targets to cut emissions.
"Some countries have a GDP per capita of more than $20,000, others have just $400," India's chief negotiator Ravi Prasad told The Associated Press. "There is a clear differentiation in the real world ... so how can we not have a difference in how we deal with climate change?"
China and India say the industrialized countries have a historical responsibility for climate change because they've released the most emissions over time, mainly from burning oil, coal and gas. However, developed country negotiators said the two sides are moving closer on the issue.
"We are not that far away," EU delegate Sarah Blau said.
In practice, the rich-poor division is already blurred. Except for the very poorest, all countries are supposed to submit pledges to cut emissions for the new deal. China submitted its pledge in June; India is expected to do so this month.
Also, several developing countries including South Korea, Mexico and Colombia have joined rich nations in pledging contributions to a climate fund to help the poorest countries deal with climate change.
Delegates in Bonn appeared to move closer on another controversial issue: how to help vulnerable nations deal with climate impacts they cannot adapt to, such as rising seas that threaten their coastlines and drinking water.
The U.S. and other Western countries are concerned the issue could lead to claims of liability and compensation for climate change losses. The U.S. presented a proposal in Bonn to continue discussions on the issue, even if it's not enshrined in the Paris deal.
"I'm sure throughout the negotiations we'll be able to find suitable language that caters to the interests of both us and the U.S.," said Amjad Abdulla of the Maldives, the chief negotiator for small island states.
Some delegates and environmental groups were disappointed with the slow pace in Bonn but U.N. climate chief Christiana Figueres urged patience.
"The proof is in the pudding," she said. "And the pudding is going to come out of the oven in Paris."
© 2015 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed. Learn more about our Privacy Policy and Terms of Use.

Work On 10 Sites Suspended After Colorado Spill. Site investigations and some cleanup work at 10 polluted mining complexes in four states were suspended because of conditions similar to those that led to a massive wastewater blowout from an inactive Colorado gold mine, U.S. Environmental Protection Agency officials said.
The sites include three in California, four in Colorado, two in Montana and one in Missouri, according to details obtained by The Associated Press following repeated requests for the information. Work On 10 Sites Suspended After Colorado Spill
They have the potential for contaminated water to build up inside mine workings, EPA Assistant Administrator Mathy Stanislaus said. That would set the stage for a possible spill such as last month's near Silverton, Colorado, where an EPA team triggered a 3 million gallon blowout of toxic sludge while doing excavation work on the inactive Gold King Mine.
The accident fouled rivers in three states and attracted harsh criticism of the EPA for not being prepared despite prior warnings that such a spill could happen.
"We want to take extra caution before we initiate any work," Stanislaus said of the work suspensions. Some the mines were abandoned decades ago and have grown more unstable over time, raising the risk of an accident.
The stop-work order was issued last month but officials for weeks refused to disclose specifics.
Cleanup efforts on some of the mines have been going on for years yet remain unfinished, underscoring the complexity of a long-running attempt to address an estimated 500,000 abandoned mines across the U.S. Work on others was in the early stages.
In a report to Congress delivered Friday, the Government Accountability Office said federal agencies identified thousands of contaminated mine sites in recent years - even as their attempts to assess what harm is being done to people and the environment have lagged.
Further investigations were needed to gauge the danger posed by the 10 mining complexes under the suspension before work could safely resume, according to internal EPA documents released by the agency.
That includes categorizing their level of hazard. For those deemed a "probable hazard," the <a href="http://www.earth.com/video/gentoo-penguins-are-not-one-species-but-four/">EPA</a> plans to keep the work stoppage in place until emergency plans are drawn up to deal with any accident.
The agency also wants to get the results of an Interior Department investigation into the Colorado accident before proceeding on most of the other sites. That's expected in late October, department officials said.
Prior to the Aug. 5 Gold King spill, the EPA and its contractor, Environmental Restoration LLC of St. Louis, appeared to have only a cursory emergency response plan in the event of a spill, according to documents released under public records requests.
There was no cellphone coverage at the remote site in the San Juan Mountains, and the workers did not have a satellite phone, according to EPA documents. As a result, they had no way to immediately communicate with the outside world when the rust-colored water loaded with heavy metals, including lead and arsenic, began rushing toward downstream communities.
One of the sites where cleanup work was subsequently halted was the Standard Mine in the mountains above Crested Butte, a ski town in west-central Colorado. Crested Butte Mayor Aaron Huckstep said that after work was suspended, the EPA met with residents and officials and made sure cleanup workers could communicate directly with the town in an emergency.
"They understood that they needed to make sure that the communication channels and the communication protocols were in place and the folks knew who to call and when to call them," Huckstep said.
EPA documents show wastewater at the site periodically spills over a crudely-built impoundment, raising concerns about a "potential catastrophic failure" and the possibility of tainting Crested Butte's drinking water. But Huckstep said he didn't believe the Standard Mine was a threat to blow out, based on EPA statements and differences in the land.
The EPA said the town's water meets safety standards.
Colorado Department of Public Health and Environment spokesman Warren Smith said wastewater flowing from the mine was not considered an acute health threat. Work on the site resumed Sept. 4 after officials determined appropriate safety measures were in place.
The Aug. 12 stop-work order from EPA Administrator Gina McCarthy did not apply to sites where halting operations would pose a threat to people or increase the potential for harm to the environment, according to internal EPA documents.
Also exempted were portions of the 10 stopped projects where construction already was completed, such as treatment systems for contaminated water that pours continually from many abandoned mine shafts.
That's the case for two sites listed in northern California - the Leviathan sulfur mine near the town of Markleeville and the Iron Mountain metals mine near Redding. Water continues to be collected at the sites, to be treated and then discharged.
"We have not received any direction from EPA to shut down our treatment. It's been business as usual for us out there," said Scott Ferguson with the Lahonton Regional Water Quality Control Board, which is involved with the Leviathan mine.
EPA spokeswoman Laura Allen said other work at the two mines has stopped, including plans to remove a beaver dam at Leviathan.
The following mining sites are affected by a U.S. Environmental Protection Agency decision to suspend investigations and some cleanup work at locations with similarities to a mine involved in a 3-million-gallon wastewater spill near Silverton, Colorado, in August:
-Leviathan Mine, near Markleeville, California. An open-pit sulfur mine that closed in 1962. Acid mine water drains from the 250-acre site and has killed off aquatic life in nearby creeks.
-Iron Mountain Mine, northwest of Redding, California. After operating for a century, the mine closed in 1963. Periodic uncontrolled spills have caused major fish kills in surrounding waterways.
-Standard Mine, near Crested Butte, Colorado. The former zinc, lead, silver and gold mine in the Gunnison National Forest shut down in 1966. Heavy metals including cadmium, zinc, lead and copper have contaminated Elk Creek, which drains into another stream that provides drinking water for Crested Butte.
-Southwest Jefferson County mining complex, near De Soto, Missouri. As many as 190 mines once operated in this 166-square-mile area first developed in the early 1800s. Lead has contaminated the soil and groundwater of residential properties in the area.
-Argonaut Mine, Jackson, California. A former gold mine that closed in 1942, Argonaut was the site of a 1922 fire that killed 47 workers. The 65-acre site contains highly contaminated soils and mine tailings.
-Flat Creek/Iron Mountain Mine, near Superior, Montana. It produced silver, lead, gold and other ores and closed in 1953. Mine tailings were used as fill and roadway material in Superior. Flooding has spread piles of contaminated waste throughout the Flat Creek flood plain.
-Upper Tenmile Creek mining area, southwest of Helena, Montana. Mining in the area, which is upstream of drinking-water sources for Helena, largely ceased in the 1930s. Surface waters and river sediments contain high levels of leads, arsenic, cadmium, copper and zinc that drained from the mines.
-Camp Bird Mine, near Ouray, Colorado. A former gold and silver mine that also produced other metals and operated from 1900 to 1990. Colorado health officials said they were not aware of any cleanup work being done.
-James Creek, 40 miles northwest of Denver. Colorado health officials said they were not aware of any cleanup work being done. No further information was available.
-Eagle River, central Colorado. No further information was available.
---
Sources: EPA, mindat.org
<a id="0e8b51f3-04a1-4045-9f59-f8045066de11" href="http://hosted.ap.org/dynamic/stories/U/US_MINE_WASTE_SPILL_GLANCE?SITE=AP&amp;SECTION=HOME&amp;TEMPLATE=DEFAULT&amp;CTIME=2015-09-12-01-36-34#0e8b51f3-04a1-4045-9f59-f8045066de11" rel="item-license">© 2015 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.</a> Learn more about our <a href="http://hosted2.ap.org/APDEFAULT/privacy">Privacy Policy</a>and <a href="http://hosted2.ap.org/APDEFAULT/terms">Terms of Use</a>.

Work On 10 Sites Suspended After Colorado Spill

Work On 10 Sites Suspended After Colorado Spill. Site investigations and some cleanup work at 10 polluted mining complexes in four states were suspended because of conditions similar to those that led to a massive wastewater blowout from an inactive Colorado gold mine, U.S. Environmental Protection Agency officials said.
The sites include three in <a href="https://www.bing.com/search?q=california&amp;cvid=b0ec7974ed044da888654f5edd35c7de&amp;FORM=ANAB01&amp;PC=HCTS">California</a>, four in Colorado, two in Montana and one in Missouri, according to details obtained by The Associated Press following repeated requests for the information. Work On 10 Sites Suspended After Colorado Spill
They have the potential for contaminated water to build up inside mine workings, <a href="http://www.earth.com/video/gentoo-penguins-are-not-one-species-but-four/">EPA</a> Assistant Administrator Mathy Stanislaus said. That would set the stage for a possible spill such as last month's near Silverton, Colorado, where an EPA team triggered a 3 million gallon blowout of toxic sludge while doing excavation work on the inactive Gold King Mine.
The accident fouled rivers in three states and attracted harsh criticism of the EPA for not being prepared despite prior warnings that such a spill could happen.
"We want to take extra caution before we initiate any work," Stanislaus said of the work suspensions. Some the mines were abandoned decades ago and have grown more unstable over time, raising the risk of an accident.
The stop-work order was issued last month but officials for weeks refused to disclose specifics.
Cleanup efforts on some of the mines have been going on for years yet remain unfinished, underscoring the complexity of a long-running attempt to address an estimated 500,000 abandoned mines across the U.S. Work on others was in the early stages.
In a report to Congress delivered Friday, the Government Accountability Office said federal agencies identified thousands of contaminated mine sites in recent years - even as their attempts to assess what harm is being done to people and the environment have lagged.
Further investigations were needed to gauge the danger posed by the 10 mining complexes under the suspension before work could safely resume, according to internal EPA documents released by the agency.
That includes categorizing their level of hazard. For those deemed a "probable hazard," the EPA plans to keep the work stoppage in place until emergency plans are drawn up to deal with any accident.
The agency also wants to get the results of an Interior Department investigation into the Colorado accident before proceeding on most of the other sites. That's expected in late October, department officials said.
Prior to the Aug. 5 Gold King spill, the EPA and its contractor, Environmental Restoration LLC of St. Louis, appeared to have only a cursory emergency response plan in the event of a spill, according to documents released under public records requests.
There was no cellphone coverage at the remote site in the San Juan Mountains, and the workers did not have a satellite phone, according to EPA documents. As a result, they had no way to immediately communicate with the outside world when the rust-colored water loaded with heavy metals, including lead and arsenic, began rushing toward downstream communities.
One of the sites where cleanup work was subsequently halted was the Standard Mine in the mountains above Crested Butte, a ski town in west-central Colorado. Crested Butte Mayor Aaron Huckstep said that after work was suspended, the EPA met with residents and officials and made sure cleanup workers could communicate directly with the town in an emergency.
"They understood that they needed to make sure that the communication channels and the communication protocols were in place and the folks knew who to call and when to call them," Huckstep said.
EPA documents show wastewater at the site periodically spills over a crudely-built impoundment, raising concerns about a "potential catastrophic failure" and the possibility of tainting Crested Butte's drinking water. But Huckstep said he didn't believe the Standard Mine was a threat to blow out, based on EPA statements and differences in the land.
The EPA said the town's water meets safety standards.
Colorado Department of Public Health and Environment spokesman Warren Smith said wastewater flowing from the mine was not considered an acute health threat. Work on the site resumed Sept. 4 after officials determined appropriate safety measures were in place.
The Aug. 12 stop-work order from EPA Administrator Gina McCarthy did not apply to sites where halting operations would pose a threat to people or increase the potential for harm to the environment, according to internal EPA documents.
Also exempted were portions of the 10 stopped projects where construction already was completed, such as treatment systems for contaminated water that pours continually from many abandoned mine shafts.
That's the case for two sites listed in northern California - the Leviathan sulfur mine near the town of Markleeville and the Iron Mountain metals mine near Redding. Water continues to be collected at the sites, to be treated and then discharged.
"We have not received any direction from EPA to shut down our treatment. It's been business as usual for us out there," said Scott Ferguson with the Lahonton Regional Water Quality Control Board, which is involved with the Leviathan mine.
EPA spokeswoman Laura Allen said other work at the two mines has stopped, including plans to remove a beaver dam at Leviathan.
The following mining sites are affected by a U.S. Environmental Protection Agency decision to suspend investigations and some cleanup work at locations with similarities to a mine involved in a 3-million-gallon wastewater spill near Silverton, Colorado, in August:
-Leviathan Mine, near Markleeville, California. An open-pit sulfur mine that closed in 1962. Acid mine water drains from the 250-acre site and has killed off aquatic life in nearby creeks.
-Iron Mountain Mine, northwest of Redding, California. After operating for a century, the mine closed in 1963. Periodic uncontrolled spills have caused major fish kills in surrounding waterways.
-Standard Mine, near Crested Butte, Colorado. The former zinc, lead, silver and gold mine in the Gunnison National Forest shut down in 1966. Heavy metals including cadmium, zinc, lead and copper have contaminated Elk Creek, which drains into another stream that provides drinking water for Crested Butte.
-Southwest Jefferson County mining complex, near De Soto, Missouri. As many as 190 mines once operated in this 166-square-mile area first developed in the early 1800s. Lead has contaminated the soil and groundwater of residential properties in the area.
-Argonaut Mine, Jackson, California. A former gold mine that closed in 1942, Argonaut was the site of a 1922 fire that killed 47 workers. The 65-acre site contains highly contaminated soils and mine tailings.
-Flat Creek/Iron Mountain Mine, near Superior, Montana. It produced silver, lead, gold and other ores and closed in 1953. Mine tailings were used as fill and roadway material in Superior. Flooding has spread piles of contaminated waste throughout the Flat Creek flood plain.
-Upper Tenmile Creek mining area, southwest of Helena, Montana. Mining in the area, which is upstream of drinking-water sources for Helena, largely ceased in the 1930s. Surface waters and river sediments contain high levels of leads, arsenic, cadmium, copper and zinc that drained from the mines.
-Camp Bird Mine, near Ouray, Colorado. A former gold and silver mine that also produced other metals and operated from 1900 to 1990. Colorado health officials said they were not aware of any cleanup work being done.
-James Creek, 40 miles northwest of Denver. Colorado health officials said they were not aware of any cleanup work being done. No further information was available.
-Eagle River, central Colorado. No further information was available.
---
Sources: EPA, mindat.org
<a id="0e8b51f3-04a1-4045-9f59-f8045066de11" href="http://hosted.ap.org/dynamic/stories/U/US_MINE_WASTE_SPILL_GLANCE?SITE=AP&amp;SECTION=HOME&amp;TEMPLATE=DEFAULT&amp;CTIME=2015-09-12-01-36-34#0e8b51f3-04a1-4045-9f59-f8045066de11" rel="item-license">© 2015 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.</a> Learn more about our <a href="http://hosted2.ap.org/APDEFAULT/privacy">Privacy Policy</a>and <a href="http://hosted2.ap.org/APDEFAULT/terms">Terms of Use</a>.

New Trend: Using Goats To Clear Land. A new dog park in <a href="https://www.bing.com/search?q=Rhode+Island&amp;cvid=503e8e1544a443feb018a71e4181ad76&amp;FORM=ANAB01&amp;PC=HCTS">Rhode Island</a> got some help from a group of land-clearing specialists: goats.
Organizers used a herd of the ravenous ruminants to clear brush from a plot of land in Portsmouth that will eventually be turned over to man's best friend. New Trend: Using Goats To Clear Land
Kim Cipolla tells WJAR-TV (<a href="http://bit.ly/1O8OsVJ" target="_blank" rel="noopener noreferrer">http://bit.ly/1O8OsVJ</a> ) the 17 goats ate around the clock over an area about the size of two football fields.
The goats ate everything from <a href="http://www.earth.com/news/giant-hogweed-burns/">poison ivy</a> to thick brush and thorns. They even dug up a buried fire hydrant, perfect for a dog park. Cipolla says using goats to clear land is cheaper than a bulldozer and construction crew, and environmentally friendly.
Cipolla says using goats to clear land is cheaper than a bulldozer and construction crew, and environmentally friendly. She says it's "animals helping animal."The domestic goat or simply goat (Capra aegagrus hircus) is a subspecies of <a class="mw-redirect" title="C. aegagrus" href="https://en.wikipedia.org/wiki/C._aegagrus">C. aegagrus</a> <a class="mw-redirect" title="Domesticated" href="https://en.wikipedia.org/wiki/Domesticated">domesticated</a> from the wild goat of <a class="mw-redirect" title="Southwest Asia" href="https://en.wikipedia.org/wiki/Southwest_Asia">Southwest Asia</a> and <a title="Eastern Europe" href="https://en.wikipedia.org/wiki/Eastern_Europe">Eastern Europe</a>. The goat is a member of the animal family <a title="Bovidae" href="https://en.wikipedia.org/wiki/Bovidae">Bovidae</a> and the subfamily <a title="Caprinae" href="https://en.wikipedia.org/wiki/Caprinae">Caprinae</a>, meaning it is closely related to the <a title="Sheep" href="https://en.wikipedia.org/wiki/Sheep">sheep</a>. There are over 300 distinct <a title="Breed" href="https://en.wikipedia.org/wiki/Breed">breeds</a> of goat.<a href="https://en.wikipedia.org/wiki/Goat#cite_note-hadog-1">[1]</a> It is one of the oldest domesticated species of animal, according to archaeological evidence that its earliest domestication occurred in Iran at 10,000 calibrated calendar years ago.
Now that the goats have finished, committee members are working to complete the job.
---
Information from: WJAR-TV, <a href="http://www.turnto10.com/" target="_blank" rel="noopener noreferrer">http://www.turnto10.com</a>
© 2015 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed. Learn more about our Privacy Policy and Terms of Use.

New Trend: Using Goats To Clear Land

New Trend: Using Goats To Clear Land. A new dog...

Study: Southern Ocean Obsorbing CO2 More Efficiently. Researchers say more work needs to be done to understand the dynamics of the Southern Ocean's carbon sink.

The vast majority of CO2 emissions released by humans end up in the atmosphere. But not all of the carbon dioxide stays there. Some is sucked into the oceans.

According to two new studies -- published in the journals <a class="tpstyle" href="http://onlinelibrary.wiley.com/doi/10.1002/2015GL065194/abstract" target="_blank" rel="noopener noreferrer">Geophysical Research Letters</a> and <a class="tpstyle" href="http://www.sciencemag.org/content/349/6253/1221#aff-1" target="_blank" rel="noopener noreferrer">Science</a> -- the Southern Ocean is pulling CO2 out of the air at a much more efficient rate than the rest of the world's saltwater.

The Southern Ocean, stretching from the bottom of South America to the tip of the Antarctic Peninsula, boasts some of the roughest seas on Earth. The wind and waves there have taken down many a vessel. As one can imagine, conducting science in the Southern Ocean is no easy task.

But researchers from the National Oceanic and Atmospheric Administration, the University of Colorado, Columbia University, Switzerland and elsewhere did just that. Study: Southern Ocean Obsorbing CO2 More Efficiently

"The critical element to this study is that we were able to sustain measurements in this harsh environment as long as we have -- both in the summer and the winter, in every year over the last 13 years," Colm Sweeney, a researcher with NOAA Earth System Research Laboratory and one of the lead scientists on both studies, explained in a press release. "This data set of ocean carbon measurements is the densest ongoing time series in the Southern Ocean."

Data used by the two teams of researchers was aided by the Antarctic Research Supply Vessel Laurence M. Gould, a supply ship funded by the National Science Foundation. The ship is outfitted with a variety of instruments used to record chemical measurements of the ocean and atmosphere as it ferries goods back and forth from South America to research outfits on Antarctica.

The data show the Southern Ocean is removing large amounts of CO2 from the atmosphere, a finding that contradicts previous research that suggested the Southern Ocean's carbon sink had slowed to a halt.

"Although it comprises only 26 percent of the total ocean area, the Southern Ocean has absorbed nearly 40 percent of all anthropogenic carbon dioxide taken up by the global oceans up to the present," said David Munro, a scientist at Colorado's Institute of Arctic and Alpine Research.

Researchers say more work needs to be done to understand the dynamics of the Southern Ocean's carbon sink, to better predict the future effects of rising carbon concentration in the atmosphere.

---

Credit: UPI

Study: Southern Ocean Obsorbing CO2 More Efficiently

Study: Southern Ocean Obsorbing CO2 More Efficiently. Researchers say more...

A new dog park in Rhode Island got some help from a group of land-clearing specialists: goats.
Organizers used a herd of the ravenous ruminants to clear brush from a plot of land in Portsmouth that will eventually be turned over to man's best friend.
Kim Cipolla tells WJAR-TV (<a href="http://bit.ly/1O8OsVJ" target="_blank" rel="noopener">http://bit.ly/1O8OsVJ</a> ) the 17 goats ate around the clock over an area about the size of two football fields.
The goats ate everything from poison ivy to thick brush and thorns. They even dug up a buried fire hydrant, perfect for a dog park.
Cipolla says using goats to clear land is cheaper than a bulldozer and construction crew, and environmentally friendly. She says it's "animals helping animal."
Now that the goats have finished, committee members are working to complete the job.
---
Information from: WJAR-TV, <a href="http://www.turnto10.com/" target="_blank" rel="noopener">http://www.turnto10.com</a>
© 2015 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed. Learn more about our Privacy Policy and Terms of Use.

A new dog park in Rhode Island got some help...

Ranchers Losing Cattle And Land As Wildfires Continue Raging. For weeks, rancher Darrel Holliday has rounded up frightened cows and calves off the smoldering hills of the Strawberry Mountain Range, a wilderness area in eastern Oregon of old-growth forest and grass where <a href="http://www.earth.com/news/some-cat-owners-care-about-their-pets-impact-on-wildlife-conservation/">wildlife</a> and cattle roamed.
Holliday's entire federal forest grazing allotment of about 32,000 acres - 50 square miles - burned last month as a wildfire ravaged the area. The land is now a smoke-filled expanse of blackened tree sticks and ash a foot and half deep. Ranchers Losing Cattle And Land As Wildfires Continue Raging
"We're picking up cows that should have calves with no calves. We assume they might have died out there," said Holliday, who is still missing 22 of his 180 cow-calf pairs. He's among dozens of ranchers similarly wrestling with the loss of animals and grazing land in a region where cattle production is one of the leading agricultural industries.
The vast majority of the 1.6 million acres - nearly 2,600 square miles - that burned in Oregon, Idaho and Washington this year are federally owned, data show, with large swaths of that public land used as rangeland for livestock grazing.
Many of Holiday's recovered animals have burnt hooves or are lame from walking on hot coals, he said. Miles of fences have burned. And the land, for which Holliday pays a fee, will likely be closed to grazing for at least two years while it recovers, he said.
That's left him scrambling to figure out how to feed the cows.
"We've been ranching here all our lives," said Holliday, whose father started grazing cattle in the area in 1942. "To watch it totally destroyed, you get sick to your stomach every day you go out there."
In Oregon's Canyon Creek Complex alone, 125 of the 170 square miles burned were grazing allotments, said Malheur National Forest rangeland management specialist Nick Stiner. Some 4,000 cows ranged on those allotments, he said.
And in the Soda Fire in southwest Idaho, that state's biggest fire this year, 280 of the 430 square miles burned were federal grazing allotments and another 75 square miles were private grazing lands, according to the National Interagency Fire Center.
In addition to rangeland lost, ranchers and ranching groups say hundreds of cows have perished and millions of dollars' worth of hay stacks and barns has gone up in flames.
"We're hearing lots of reports of displaced cattle and grazing grounds that are no longer usable," said Kayli Hanley of the Oregon Cattlemen's Association, which says many ranchers are still assessing damage and looking for lost cows.
In northern Washington state, where the Okanogan Complex burned about 475 square miles and is considered the largest wildfire in state history, rancher Doug Grumbach found the burned carcasses of several cows on a hill among smoldering trees.
One of those cows became wedged between two trees trying to flee the flames.
When the fire started last month, the fourth-generation rancher was on his way to move the cows dispersed in the mountainous terrain. But, he said, the winds picked up and the fire exploded, so "we had to get ourselves out of there."
In total, eight of his cows and four calves died and 20 are still unaccounted for - a loss of tens of thousands of dollars. He's also treating calves and cows with burnt feet, severe body burns and respiratory problems.
"They're kind of like family ... you care for them all their life, so you hate for anything to happen to them," he said.
Grumbach said he doesn't have enough unburned private land to feed his cattle; his cows are now eating hay meant for winter feed. And because of the drought, he doesn't have as much hay as usual, he said.
Many ranchers like Grumbach are desperately looking for pastures and hay, said Wyatt Prescott of the Idaho Cattle Association. Those who can't afford feed, he said, are sending their animals to sale yards.
"Producers spend generations developing the genetics of their cows to produce the best beef. Liquidating part of their herd is something they try to avoid at all costs," Prescott said.
His group is facilitating a confidential online pasture exchange where farmers who have land out of production can lease it to those who lost their grazing grounds.
Idaho rancher Brenda Richards, who runs about 500 cow-calf pairs, lost 95 percent of her grazing allotment to the Soda Fire.
"Ranching is the strength of these local communities, that's our tax base," Richards said, adding that the fire has been devastating, but it also brought out local ties. "It was amazing to watch people come together."
Cattle associations and private groups are now collecting hay and distributing it to those who lost rangeland.
In eastern <a href="https://www.bing.com/search?q=oregon&amp;cvid=2dc81c6a4a514352b324c9ed1551128b&amp;FORM=ANAB01&amp;PC=HCTS">Oregon</a>, convoys of trucks have hauled in about 600 tons of hay from donors inside and outside the state to a storage set up by newly-formed group Hay for John Day, a town just northwest of the Strawberry Mountain Range.
The historic fire season has also re-kindled a long-running debate.
Ranchers say the federal government should have allowed more grazing to reduce the severity of the wildfires. Environmental groups say more grazing would have increased soil erosion and riparian damage, removed native grasses and increased fire risk.
Federal officials stand in the middle: grazing, they say, may help slow some fires' spread, but it won't make a difference in extreme weather.
"When you have high winds, grazing won't stop or slow that fire," said Jessica Gardetto with the Bureau of Land Management.
© 2015 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed. Learn more about our Privacy Policy and Terms of Use.

Ranchers Losing Cattle And Land As Wildfires Continue Raging

Ranchers Losing Cattle And Land As Wildfires Continue Raging. For...

New Trend: Using Goats To Clear Land. A new dog park in Rhode Island got some help from a group of land-clearing specialists: goats.
Organizers used a herd of the ravenous ruminants to clear brush from a plot of land in Portsmouth that will eventually be turned over to man's best friend.
Kim Cipolla tells WJAR-TV (<a href="http://bit.ly/1O8OsVJ" target="_blank" rel="noopener noreferrer">http://bit.ly/1O8OsVJ</a> ) the 17 goats ate around the clock over an area about the size of two football fields.
The goats ate everything from <a href="http://www.earth.com/news/giant-hogweed-burns/">poison ivy</a> to thick brush and thorns. They even dug up a buried fire hydrant, perfect for a dog park. New Trend: Using Goats To Clear Land
Cipolla says using goats to clear land is cheaper than a bulldozer and construction crew, and environmentally friendly. She says it's "animals helping animal."
Now that the goats have finished, committee members are working to complete the job.
---
Information from: WJAR-TV, <a href="http://www.turnto10.com/" target="_blank" rel="noopener noreferrer">http://www.turnto10.com</a>
© 2015 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed. Learn more about our Privacy Policy and Terms of Use.

<div class="wp-block-sendtonews-playerselector">[sendtonews key="QGPzYnXEtN-1712599-12187" type="single"]</div>



Today’s Video of the Day from <a href="https://www.igb.illinois.edu/">Carl R. Woese Institute for Genomic Biology</a> reveals how scientists can modify common crops like soybean, rice, and wheat to protect them from heat stress.



“We need to double crop production by 2050 to feed a growing global population, and not only are we not on track to do that, but climate change is further complicating things,” said Amanda Cavanagh, a lecturer at the University of Essex. 



The study is part of Realizing Increased Photosynthetic Efficiency (RIPE), an international research project that aims to develop food crops that turn the sun’s energy into food more efficiently.



“Using an engineering approach we designed multiple alternative metabolic pathways to photorespiration. Testing them in the field showed increases in productivity which led Amanda to significantly move the project forward by showing our engineered plants can withstand pretty extreme temperature stress,” said study co-author and RIPE researcher Paul South.&nbsp;



“As the climate changes and temperature stresses increase the pressure on our global food supply, farmers will need every tool available including engineering approaches like the synthetic biology used here to maintain safe and productive harvests.”



The experts tested plants modified to have more efficient photorespiration to see if they were better adapted to warmer temperatures.&nbsp;



The team found that the engineered plants produced 26 percent more biomass than the wild-type plants exposed to the same temperatures, and had 15 percent less yield loss under the higher temperatures.



Video Credit: Amanda Nguyen/University of Illinois



---



By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

Designing crops that can beat the heat

[sendtonews key="QGPzYnXEtN-1712599-12187" type="single"] Today’s Video of the Day from Carl...

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Today's Video of the Day from <a href="https://www.nasa.gov/goddard">NASA Goddard</a> describes the first comprehensive estimate of carbon density in the Saharan, Sahel, and Sudanian zones of Africa. In an effort to measure the amount of carbon stored across these drylands, a team of scientists used high-resolution satellite images and artificial intelligence to map nearly 10 billion individual trees. 



"The high spatial resolution (50 cm) combined with AI and field measurements used in this study is key to improving tree inventories in drylands," said Pierre Hiernaux, a French researcher working for NASA. "The ever-increasing availability of very high-resolution satellite imagery will make it possible to assess carbon pools and their dynamics at the individual tree level on a global scale."



"This study is exceptional because it is pioneering a type of approach that will revolutionize the monitoring of trees and forests on a global scale: in the short term, it will be possible to map the world's trees from the centre of the Amazon to our schoolyards," said <a href="https://www.inrae.fr/en">INRAE</a> researcher Jean-Pierre Wigneron.



"Many fields of application will become much more efficient and accurate, such as tracking carbon stocks, biodiversity, monitoring logging and protection against illegal forest degradation, in near real time.”



Video Credit: NASA Goddard&nbsp;



---



By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

Remote sensing will revolutionize the way we monitor trees

[sendtonews key="EjmSP20gQK-2593093-12187" type="single"] Today's Video of the Day from NASA...

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Lesotho: Africa's "Kingdom in the Sky" Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> features northwest Lesotho in South Africa.



According to ESA, Lesotho is the only nation in the world that lies completely above 1,000 m in elevation. The country is famous for its tall mountains and narrow valleys, and is known as Africa's "Kingdom in the Sky."



Out of a population of around two million people, about 80 percent live in rural areas. More than 75 percent of these people are engaged in <a href="https://www.earth.com/news/climate-change-will-have-a-global-impact-on-agriculture/">agriculture</a>, including rainfed cereal production and animal grazing.&nbsp;



ESA reports that the country’s agricultural system faces a growing number of issues, with climate-related vulnerabilities such as drought, floods and extreme temperatures occurring more frequently. 



Diamonds are amongst the minerals found in the mountains. Indeed, Lesotho can truly be called the Kingdom in the Sky. Beautiful, culturally rich, safe, affordable, and easily accessible from Durban and Johannesburg, mountainous Lesotho is a vastly underrated travel destination. the Kingdom of Lesotho (Sotho: 'Muso oa Lesotho) is an enclaved country in southern Africa. It is just over 30,000 km2 (11,583 sq mi) in size and has a population of around 2 million.



Video Credit: ESA&nbsp;&nbsp;



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Staff Writer 



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Lesotho: Africa's "Kingdom in the Sky"

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Today's Video of the Day from <a href="https://www.nasa.gov/goddard">NASA Goddard</a> features a visual dataset of.methane emissions from wetlands across the globe. Atmospheric methane levels have reached record highs in recent years, and wetlands are a major source of these emissions.&nbsp;



"Methane is an important greenhouse gas that contributes substantially to global warming. On a molecule by molecule basis, methane is much more efficient at trapping heat than carbon dioxide, the main driver of warming," says NASA.



"Though human activities, including agriculture, oil and natural gas production and use, and waste disposal, collectively contribute the majority of methane to the atmosphere, about a third of total methane emissions comes from wetlands."&nbsp;



According to NASA, understanding methane emissions from wetlands and other natural sources is critically important for scientists and policymakers who are working to combat climate change by reducing emissions from human activities.



Video Credit: NASA Goddard



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



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Wetlands are a major source of methane emissions

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Today’s Video of the Day from <a href="https://earthobservatory.nasa.gov/">NASA Earth Observatory</a> reveals the evolution of the Columbia Glacier in southeastern Alaska. Columbia is among the fastest shrinking glaciers in the world, and the video documents its rapid retreat over the years.&nbsp;



Columbia Glacier is a large, multi-branched calving glacier that flows out of the Chugach Mountains to the Prince William Sound.&nbsp;



According to USGS, Columbia had a long history of stability prior to 1980, with a length 41 miles, and small, short-lived advances or retreats.



In the years since 1980, however, satellite images have captured Columbia’s alarming retreat. By using false-color images, scientists can distinguish between snow and ice, open water, vegetation, and rocky debris on the glacier’s surface.



The series of false-color images featured in today's video were acquired over the span of 35 years. You can see that by 2021, the glacier’s main branch had retreated about 15 miles from its initial position.



The Columbia Glacier has also lost more than 50 percent of its volume, mostly due to calving. <a href="https://www.earth.com/video/nasa-reveals-3d-visual-of-an-atmospheric-river/">NASA</a> reports that while climate change likely started the retreat, mechanical processes kept the disintegration going.



The NASA images are provided by Jesse Allen, Robert Simmon, Joshua Stevens, and Lauren Dauphin using data from Landsat satellites, from the U.S. Geological Survey, and data from MODIS on NASA’s Terra satellite. The structure of Columbia’s moraine played a large role in the stability of the glacier before 1980. 



Like other tidewater glaciers, the Columbia built up a moraine over time, and the mixture of ice and rock functioned like a dam keeping out the sea. It was supported on one end by the shoreline and by the underwater terminal moraine at the other.



Video Credit: NASA Earth Observatory/&nbsp; NASA’s Scientific Visualization Studio



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



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The rapid retreat of the Columbia Glacier

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Today's Video of the Day from <a href="https://www.nasa.gov/goddard">NASA Goddard</a> describes how record-breaking heat expressed itself around the world in 2022.



Scientists have determined that 2022 was the 5th warmest year since 1880. Furthermore, the last nine consecutive years have been the warmest on record.



From devastating floods and wildfires to natural disasters like Hurricane Ian, 2022 showed us yet again how a warming climate affects people across the globe.&nbsp;



"As we look back at 20:22 and years past, we see that each year we better understand the challenges we face and how important it is to meet them," says NASA.



Video/ Image Credit: NASA Goddard



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2022 illustrated the consequences of a warming climate

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Satellites reveal how Earth's systems are interconnected Today’s Video of the Day from <a href="https://www.nasa.gov/goddard">NASA Goddard</a> describes Earth’s interconnected systems, and how this network is affected by rising temperatures.&nbsp;



During 2020, average global temperatures matched the hottest year on record. The hurricane season was also record-breaking, with many of the storms intensifying at extraordinary speeds. Hot water in the ocean is fuel for hurricanes. The satellite data shows that it's all one interconnected system showing how Satellites reveal how Earth's systems are interconnected.



According to NASA, dust swept up from Northern Africa plays a major role in the formation of hurricanes, and is also a key source of fertilization in the Amazon rainforest. As a result of<a href="https://www.earth.com/news/seagrass-wasting-disease-is-fueled-by-climate-change/"> climate</a> change, dust plumes are expected to decline, which will have an effect on vegetation far away.&nbsp;



Images from Earth-observing satellites show how the world’s plant life is affected by natural disasters, fires, and deforestation. Satellites also reveal how widespread changes in vegetation impact waterways,&nbsp; the climate, air quality. Satellites communicate by using radio waves to send signals to the antennas on the Earth. "Earth From Space" is a groundbreaking two-hour special that reveals a spectacular new space-based vision of our planet. 



Video Credit: NASA Goddard&nbsp;



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



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Satellites reveal how Earth's systems are interconnected

[sendtonews key="JbW4VsY53O-1632195-12187" type="single"] Satellites reveal how Earth's systems are interconnected...

Today’s Video of the Day from the <a href="https://welcome.miami.edu/">University of Miami</a> Rosenstiel School of Marine and Atmospheric Science explores how changes in water temperatures have affected tiger shark habitats and movements in the North Atlantic Ocean. The study reveals that rising temperatures have caused the sharks to shift toward the poles over the past 40 years.



“Tiger shark annual migrations have expanded poleward, paralleling rising water temperatures,” explained study lead author Neil Hammerschlag. “These results have consequences for tiger shark conservation, since shifts in their movements outside of marine protected areas may leave them more vulnerable to commercial fishing.”



The researchers analyzed nine years of tracking data from satellite-tagged tiger sharks, combined with four decades of conventional tag and recapture data provided by National Oceanic and Atmospheric Administration (NOAA) Cooperative Shark Tagging Program.



The experts found that during the last decade of record heat, for every one-degree Celsius increase in water temperatures, tiger sharks migrated further poleward by over 400 kilometers. They also migrated two weeks earlier than usual to waters off the northeastern coast of the United States.



“Given their role as apex predators, these changes to tiger shark movements may alter predator-prey interactions, leading to ecological imbalances, and more frequent encounters with humans,” concluded Professor Hammerschlag.



Video Credit: University of Miami Rosenstiel School of Marine and Atmospheric Science



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



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Tiger sharks are shifting poleward as temperatures rise

Today’s Video of the Day from the University of Miami...

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Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> is focused on the melt ponds that emerge during the spring and summer on the Greenland Ice Sheet, which is the largest ice mass in the northern hemisphere.



"Melt ponds are vast pools of open water that form on both sea ice and ice sheets and are visible as turquoise-blue pools of water in this Copernicus Sentinel-2 image," says ESA.



"When snow and ice melts atop glaciers, water flows in channels and streams and collects in depressions on the surface. These melt ponds can speed up the melting of the surrounding ice since they greatly reduce the ice’s ability to reflect sunlight."



"This can create a positive feedback where an increasing number of melt ponds absorb more heat which causes ice cover to melt even faster."



According to ESA, Greenland has been hit with a late-season heatwave that began in early September. This caused the type of melt event that usually occurs in the middle of summer.



"In a recent paper published in Nature Climate Change, scientists found that major sea-level rise from the melting of the Greenland ice cap is now ‘inevitable’ even if the burning of fossil fuels were to halt overnight," says ESA. "Using satellite observations of Greenland ice loss and ice cap from 2000 to 2019, the team found the losses will lead to a minimum rise of 27 cm regardless of climate change."



Video Credit: ESA&nbsp;



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



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Melt ponds on the Greenland Ice Sheet

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Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> describes how Earth is unique in our solar system for its ability to sustain liquid water on its surface. But now, the water cycle is shifting as the climate warms, and scientists must find ways to predict how these changes will affect water availability.



Overall, 96 percent of Earth's water is saltwater, and nearly all of freshwater is found in ice and groundwater. These sources of water are linked as it passes through solid, liquid and gas phases.



In a warmer climate, the water cycle will be transformed. It will be easier for water to evaporate and form clouds, and storms will become more frequent and intense. Some regions will get too much water, while others will be left without enough water. In addition, soil moisture will be lost - which threatens food security.



Scientists are using satellite data from over the last 40 years to track changes that are happening in the water cycle. This will ultimately help us prepare for extreme events and better manage our water resources, according to ESA.



Video Credit: ESA



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



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Tracking changes in Earth's water cycle

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Today's Video of the Day from <a href="https://www.nasa.gov/goddard">NASA Goddard Space Flight Center</a> features images of Saturn from NASA’s Hubble Space Telescope. The photographs capture the start of the mysterious "spoke season" on Saturn - when unexplained features appear on its rings. 



According to NASA, both the cause of the spokes and their seasonal variability have yet to be fully explained by planetary scientists.



"Like Earth, Saturn is tilted on its axis and therefore has four seasons, though because of Saturn's much larger orbit, each season lasts approximately seven Earth years. Equinox occurs when the rings are tilted edge-on to the Sun," explains NASA.



"The spokes disappear when it is near summer or winter solstice on Saturn. (When the Sun appears to reach either its highest or lowest latitude in the northern or southern hemisphere of a planet.) As the autumnal equinox of Saturn's northern hemisphere on May 6, 2025, draws near, the spokes are expected to become increasingly prominent and observable."



Experts believe that the spokes may be a product of the planet's variable magnetic field. When magnetic fields interact with solar wind, an electrically charged environment is created. This phenomenon is visible on Earth as the northern lights.&nbsp;



"Scientists think that the smallest, dust-sized icy ring particles can become charged as well, which temporarily levitates those particles above the rest of the larger icy particles and boulders in the rings," says NASA.



The spokes were first observed in the early 1980s by NASA's Voyager mission. Depending on the angle of the rings, the spokes can appear dark or light.



"Thanks to Hubble's OPAL program, which is building an archive of data on the outer solar system planets, we will have longer dedicated time to study Saturn’s spokes this season than ever before," said NASA senior planetary scientist Amy Simon, head of the Hubble Outer Planet Atmospheres Legacy (OPAL) program.



"Despite years of excellent observations by the Cassini mission, the precise beginning and duration of the spoke season is still unpredictable, rather like predicting the first storm during hurricane season."



Video Credit: NASA Goddard&nbsp;



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



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Mysterious "spoke season" captured on Saturn

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Today’s Video of the Day from <a href="http://www.ntu.edu.sg/">NTU Singapore</a> reveals that some plants can remove toxic heavy metals from soil.&nbsp;



The researchers analyzed samples of various tropical plant species to test for levels of heavy metals and metalloids. The study showed that there are existing plants with high levels of these contaminants, which means that these species are great candidates for drawing pollutants out of the soil.&nbsp;



Among the plants examined in the study, 12 species had accumulated several types of heavy metals and metalloids. These plants are widely available, including species that are native to Singapore.



“In a small nation like Singapore, land may be repurposed to support new development plans, so it is important that we have a green and sustainable way to remediate land that is contaminated," said Professor Lam Yeng Ming.



"We set out to uncover how to better make use of tropical plants to do phytoremediation and through advanced characterization techniques, we showed how some of these tropical plant species can be an environmentally friendly and literally a 'green' way to remove contaminants in soil."&nbsp;



"Phytoremediation also has benefits of cost effectiveness, simplicity of management, aesthetic advantages, and long-term applicability and sustainability. The strategy prevents erosion and metal leaching by stabilizing or accumulating heavy metals, so that helps reduce the risk of contaminant spread.”



Video Credit: NTU Singapore



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



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Plants help remove heavy metals from contaminated soil

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Today’s Video of the Day from the <a href="https://www.acs.org/">American Chemical Society</a> describes why herbicides are not as effective in killing weeds anymore. In the 20th century, chemical companies developed thousands of herbicides. The most commonly used herbicide was glyphosate, which was introduced in 1974.



Over the past few decades, dozens of species of weeds have evolved resistance to glyphosate. Depending on the site of action, the part of the plant that an herbicide interacts with, weeds may even be resistant to herbicides that have not been developed yet.&nbsp;



With increasing resistance to glyphosate and other herbicides, weeds are - once again - becoming a major concern for farmers.&nbsp;



Video Credit: American Chemical Society&nbsp;



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



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Weeds are becoming increasingly resistant to herbicides

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Today’s Video of the Day from the <a href="https://www.jpl.nasa.gov/">NASA Jet Propulsion Laboratory</a> (JPL) describes a dust storm on Mars that was nearly twice the size of the United States. As the storm covered the southern hemisphere of the planet, some of NASA’s explorers had to delay their normal activities.



NASA’s Insight lander put itself in a "safe mode" for 11 days to conserve battery power because solar power was disrupted by the dust. The Ingenuity Mars Helicopter postponed flights until conditions improved.



"A fleet of NASA orbiters monitor Martian dust storms like this one and serve as lifelines to Earth by relaying data from the rovers and lander on the ground back to the team. This includes the Mars Reconnaissance Orbiter, MAVEN, and Odyssey," reports JPL.



"Dust storms like this recent one start close to the ground and are spread by wind as they rise – warming the cold Martian atmosphere."



The images in the video were captured by NASA’s Curiosity as the dust rolled in. A fleet of orbiters monitored the dust storm from above, relaying data from Mars’ explorers back to scientists on Earth.



Video &amp; Image Credit: NASA/JPL-Caltech/ASU/MSSS



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NASA monitors giant dust storms on Mars

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Today's Video of the Day from the <a href="http://www.esa.int/">European Space Agency</a> features Qeshm Island in the Strait of Hormuz. This strait provides the only sea passage from the Persian Gulf to the open ocean.



Qeshm is separated from the Iranian coast by the Clarence Strait, also known as Khuran.&nbsp;The Hara Forest Protected Area is a network of shallow waterways and forest located between the island and the mainland. This protected region is home to sea turtles, snakes, and more than 150 species of migrating birds.



Qeshm is famous for its wide range of&nbsp;ecotourist&nbsp;attractions, such as the&nbsp;Hara marine forests. According to environmentalists, about 1.5 percent of the world birds and 25 percent of Iran's native <a href="https://www.earth.com/news/female-hummingbirds-avoid-sexual-harassment-by-looking-like-males/">birds</a> annually migrate to the forests, which are the first national geo park in Iran.



Tourists are also drawn to the island to see an age-old Portuguese&nbsp;fort, historic mosques, the&nbsp;Seyyed Mozaffar&nbsp;and&nbsp;Bibi Maryam&nbsp;shrines, and the "Valley of Stars."



The average temperature on the island is 81 degress and the region is often hot and humid. From June to August, the island is described as being oppressively hot. The ideal time to visit is during the winter season. 



Video Credit: ESA&nbsp;



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



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Qeshm Island in the Strait of Hormuz

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Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> features Inhambane Bay in southeast Mozambique.&nbsp;



"Inhambane Bay is a deep inlet into which the small Mutamba River flows," says ESA. "On one side of the bay lies the historical city of Inhambane, capital of the Inhambane Province, while the sister city of Maxixe, the economic capital of Inhambane, sits across from it. The province is the second largest grower of cashews, after Nampula, and it also produces coconut and citrus fruits."



The beaches of Barra and Tofo are popular with tourists. There are also coral reefs along the long coastline of Inhambane, making it an ideal destination for scuba diving and snorkeling.



"Mozambique’s extensive coastline heightens the country’s vulnerability to tropical cyclones that develop in the Indian Ocean as well as storm surge flooding," says ESA.



"More than half of the population lives in low lying coastal areas, putting communities at risk. Inhambane Bay was dangerously close to where Cyclone Idai made landfall in 2019 causing widespread destruction to the country."



Video/ Image Credit: ESA



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Inhambane Bay in southeast Mozambique

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Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency </a>&nbsp;features the Kangerlussuaq Glacier, one of the largest tidewater outlet glaciers in Greenland. The glacier is located on the east coast of the Greenland ice sheet.



As human-induced climate change continues to drive up temperatures, global ice loss is accelerating at an alarming rate. ESA reports that, over the past decade alone, 3.5 trillion tons of ice have melted from the Greenland ice sheet. This is enough to cover the UK with meltwater 15 meters deep.



Based on satellite imagery, researchers determined that Kangerlussuaq entered a new phase of rapid retreat and acceleration in 2017. In their study, published in <a href="https://www.frontiersin.org/articles/10.3389/feart.2019.00123/full">Frontiers in Earth Science</a>,&nbsp; the experts report that the glacier's ice front is now at its most retreated position since the early 20th century.



"Given Kangerlussuaq’s previous impacts on both the magnitude and pattern of ice sheet wide mass loss, we predict that its new phase of retreat, acceleration and thinning will markedly enhance the south-east region’s contribution to increasing discharge from the ice sheet," wrote the study authors.&nbsp;&nbsp;



"More broadly, accurate forecasting of the ice sheet’s contribution to sea level rise will require a deeper understanding of, and responses to, these non-linear ice dynamic processes."



Video Credit: ESA



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Kangerlussuaq Glacier on the Greenland ice sheet

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Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> describes the complex relationship between ocean and climate. ESA's Climate Change Initiative will help us understand how oceans influence the climate and how climate change is impacting the oceans.&nbsp;



"Earth’s oceans are huge heat stores, soaking up 93% of the excess heat from human activity over the past 70 years. Ocean currents redistribute heat around the planet, from the Equator to the poles. Where this ocean heat goes influences weather patterns and regional climate," explains ESA.



"As well as absorbing heat, oceans are a natural carbon sink, absorbing a quarter of carbon dioxide emissions from human activity. This has led to the acidification of ocean water, threating marine life."



The amount of heat and carbon dioxide soaked up by the ocean depends on specific variables, including phytoplankton, temperatures, waves, salinity, and ice cover. Satellites can be used to measure these variables from space.



"From their unique vantage point, satellites provide key information for understanding the complexities of our planet and monitoring environmental issues," says ESA.



Video Credit: ESA



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Ocean heat influences regional climate

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Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> describes the importance of monitoring the shape of the sea surface, which is constantly changing. These observations have many applications, such as ship routing, <a href="https://www.earth.com/news/the-modem-ocean-is-a-tough-place-for-whales-to-survive/">ocean</a> current forecasting, and debris tracking.



"A project supported by the Discovery element of ESA’s Basic Activities recently investigated a new technique to measure sea surface topography very precisely," reports ESA.



"The technique involves looking at satellite navigation (GNSS) signals that have been reflected off of the sea surface at very low angles. At these so-called grazing angles, waves and surface roughness have very little impact on the reflection process; the sea surface acts as a very smooth mirror."



Estel Cardellach is the principal investigator at the Institute for Space Studies of Catalonia, who first submitted the idea for the project.



“In a mirror-like reflection the phase of the signal can be tracked – it is continuous," said Cardellach. "Different surface heights result in different phase measurements. It gives a very precise measurement of the surface altitude at a few centimetres’ precision.”



The researchers developed a GNSS receiver and set up an experiment in the Balaeric Islands to collect signals from the receiver that were reflected off the sea surface. Ultimately, these signals will provide improved measurements of the shape of the sea surface.



Image/ Video Credit: ESA



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By <a href="http://csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Staff Writer

Monitoring the dynamic shape of the sea surface

[sendtonews key="JrMLDXHmjl-1911953-12187" type="single"] Today’s Video of the Day from the...

Aerial,Photo,Of,River,In,Amazon,Rainforest,Jungle,In,Peru

<div class="wp-block-sendtonews-playerselector">[sendtonews key="u0TYxxqfF7-2186404-12187" type="single"]</div>



Today’s Video of the Day from <a href="https://www.nasa.gov/goddard">NASA’s Goddard Space Flight Center</a> describes how scientists are using autonomous sound sensors to monitor deforestation in the Amazon. By recording soundscapes, the experts can determine which animals are present through their distinct sounds.&nbsp;



Using this method, sounds can be used as scientific measurements to analyze the effects of deforestation. The researchers will gain a better understanding of how the acoustics of a forest can be used to measure its health.&nbsp;



"From space, parts of the Amazon rainforest that have previously been logged or burned may look lush and green, like a place buzzing with activity and full of sounds. But inside the rainforest, the animal life may tell a different story, of a harsh environment and a quieter soundscape," says NASA.



Video Credit: NASA’s Goddard Space Flight Center&nbsp;



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By <a href="http://csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Staff Writer

Monitoring deforestation in the Amazon through sounds

[sendtonews key="u0TYxxqfF7-2186404-12187" type="single"] Today’s Video of the Day from NASA’s...