Farming in ways that support nature can pay off - not just for the environment, but for crops too. That’s the takeaway from a new study that tested how different methods of agroecological farming perform on real working farms in England. 



The study showed that adding simple nature-friendly features like wildflower margins and organic matter improved biodiversity and led to stronger crop performance.



But there’s a catch: to make these methods financially viable on a large scale, many farmers may need more government support.



<h2 class="wp-block-heading" id="h-real-farms-real-results">Real farms, real results</h2>



The research team, based at the <a href="https://www.ceh.ac.uk/">UK Centre for Ecology &amp; Hydrology</a> and Rothamsted Research, ran a four-year study across 17 commercial farms in southern England. This was the first time anyone tested both the ecological and financial impacts of <a href="https://www.earth.com/news/sustainable-farming-is-good-for-farmers-well-being/">agroecological</a> practices at this scale in the UK.



The researchers didn’t just run lab trials. The researchers partnered directly with farmers to design and carry out real-world experiments, testing three types of farming systems side by side.



The first was a business-as-usual approach, using standard intensive methods without any nature-friendly additions. 



The second, called the enhanced ecological system, introduced wildflower field margins to support pollinators and other beneficial insects, along with overwinter cover crops to protect and enrich the soil. 



The third was the maximized ecological system, which built on the enhanced version by adding wildflower strips within the fields - essentially creating insect “runways” - and using farmyard <a href="https://www.earth.com/news/beer-byproducts-and-manure-used-to-increase-crop-yields/">manure</a> to improve soil health.



<h2 class="wp-block-heading" id="h-more-bugs-better-soil-higher-yields">More bugs, better soil, higher yields</h2>



The results were clear. The farms that adopted enhanced or maximized ecological methods saw an increase in beneficial species. 



Earthworms, bees, hoverflies, ladybirds, spiders, and lacewings were all more abundant. These helped reduce crop pests like aphids and snails.



That’s not all. The flowering crops - like oilseed rape - produced more seeds thanks to better pollination. The soils held more carbon. And overall, the yields went up.



Even with a little land taken out of production to make room for habitats, the gains in crop health and pollination made a difference. The enhanced ecological system was just as profitable as conventional farming - but only because of current government subsidies.



The maximized system delivered even stronger environmental and yield benefits. But it was more expensive to implement. 



Without more support, most farms would not find it financially competitive. Some farms, especially mixed ones that already have manure on hand, might fare better. But others would struggle without extra help.



<h2 class="wp-block-heading" id="h-profit-meets-sustainability">Profit meets sustainability</h2>



Dr. Ben Woodcock, one of the study’s lead scientists from the UK Centre for Ecology &amp; Hydrology, elaborated on the research.



“Without the introduction of new financial incentives, many farmers will be deterred from adopting agroecological farming practices and systems. This could leave them locked into high input, intensive farming systems and more exposed to the impacts of pesticide resistance, declining soil health and climate change."



According to Dr. Woodcock, while farmers run businesses that need to be profitable, there is an increasing awareness that more sustainable systems can help "future-proof" their farms in terms of soil health, less reliance on <a href="https://www.earth.com/news/pesticides-attack-bees-in-multiple-ways-throughout-the-body/">pesticides</a> and climate change.



“Agroecological methods are good for biodiversity, food security, and, in the long-term, provide more secure farm incomes but habitats can take several years to establish, so agri-environment subsidies are essential to helping farmers transition to these more sustainable systems.”



<h2 class="wp-block-heading" id="h-support-for-greener-farming">Support for greener farming</h2>



The researchers believe that showcasing these successful results could help convince more farmers to make the switch. It’s about breaking the cycle of intensive practices that keep farms dependent on chemical inputs and vulnerable to environmental changes.



Professor Jonathan Storkey, an ecologist at Rothamsted Research, said the study confirmed that managing land on farms for <a href="https://www.earth.com/news/farming-for-wildlife-how-traditional-practices-can-protect-nature/">wildlife</a> is not in direct conflict with food security but can support sustainable production by increasing yields and reducing pest pressure. 



"These ‘ecosystem services’ could potentially substitute for chemical fertilizers and pesticides which negatively impact the environment," said Professor Storkey. 



“However, our analysis has shown that realizing these benefits will require additional support for farm businesses that currently operate on very narrow profit margins. As input costs increase, however, these agroecological approaches may become more attractive.”



<h2 class="wp-block-heading" id="h-training-makes-a-difference">Training makes a difference</h2>



The quality of nature-friendly measures also depends on how well they’re implemented, and training helps.



Earlier research from the UK Centre for Ecology &amp; Hydrology showed that when farmers receive proper guidance on creating and managing wildlife habitats, those habitats do a much better job of supporting <a href="https://www.earth.com/news/how-pollinators-boost-the-nutritional-value-of-crops/">pollinators</a> and pest-controlling insects.



Field margins and wildflower strips may seem like simple changes, but getting them right requires different thinking than managing crops. The better these habitats are planned and maintained, the more they deliver.



<h2 class="wp-block-heading" id="h-growing-green-nationwide">Growing green, nationwide</h2>



Nature-friendly farming isn’t just about doing good for the environment - it can also help farms thrive. But making the switch isn’t free, and for many farmers, the numbers have to work. 



That’s where targeted subsidies and support come in. The research shows what’s possible. Now, the question is how to make it doable for more farms across the country.



The full study was published in the journal <a href="https://besjournals.onlinelibrary.wiley.com/doi/10.1111/1365-2664.70079">Journal of Applied Ecology</a>.



-----



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Eco-friendly farms can succeed - but they need support

Farming in ways that support nature can pay off - not just for the environment, but for crops too. That’s the takeaway from a new study that tested how different methods of agroecological farming perform on real working farms in England. The study showed that adding simple nature-friendly features like wildflower margins and organic matter improved biodiversity and led to stronger crop performance. But there’s a catch: to make these methods financially viable on a large scale, many farmers may need more government support. Real farms, real...

Coal pollution and global warming in Linfen China

China And France Agree That Automatic Cuts Are Needed In Climate Change Pact. The Chinese and French presidents announced Monday they have agreed that a global climate change pact should require countries to increase their emissions cuts every five years, in an important signal four weeks before world leaders meet in <a href="https://www.bing.com/search?q=paris&amp;cvid=464c68c510b249b28e0e06a836c356e5&amp;FORM=ANAB01&amp;PC=HCTS">Paris</a>.
France is proposing the automatic updating of countries' emissions targets in a climate deal to be thrashed out at a U.N. conference beginning at the end of November. The support of China, the world's biggest emitter of climate-warming <a href="http://www.earth.com/video/refrigerants-are-powerful-heat-trapping-greenhouse-gases/">greenhouse</a> gases, is significant.
"What we have just established here in this declaration is a likelihood that the Paris conference will succeed," Francois Hollande said at a joint news conference with Xi Jinping in the Great Hall of the People, the seat of China's legislature. China And France Agree That Automatic Cuts Are Needed In Climate Change Pact
"That doesn't mean that the Paris conference is definitely going to be a success, but the conditions for success have been laid down in Beijing today," Hollande said.
In the joint declaration, the two presidents also declared their intention to release their own national strategies to develop low-carbon economies by 2050 as soon as possible within the next five years.
Environmental campaign group Greenpeace called the statement "an incremental step forward" and said work still needs to be done to raise ambition before and during the Paris conference.
"After waving goodbye to President Hollande tomorrow, Chinese leaders need to think hard about what more to bring to the table when they see him again in Paris at the end of this month," Greenpeace China climate policy adviser Li Shuo said in a statement.
China has promised it will try to cap its rising emissions before 2030 as part of its national pledge ahead of the Paris conference. It has also seen a decline in coal consumption and has become a leader in renewable energy.
Hollande said Xi confirmed that he would attend the opening of the climate conference, which runs from Nov. 30 through Dec. 11.
---
Associated Press writer Sylvie Corbet in Paris contributed to this report.
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China And France Agree That Automatic Cuts Are Needed

China And France Agree That Automatic Cuts Are Needed In...

US Youths Are Suing The Government Over Climate Change. They can't vote yet, but dozens of young people want a say in the planet's future, so minors nationwide have been suing states and the federal government in recent years to push action on climate change.
They say their generation will bear the brunt of global warming and that government at every level has an obligation to protect natural resources, including the <a href="http://www.earth.com/news/tropical-birds-handle-heat-stress-much-better-than-expected/">atmosphere</a>, as a "public trust" for future generations.
The Oregon-based nonprofit Our Children's Trust has been leading efforts to file lawsuits or administrative petitions in every state and against the federal government. Some of the youth-led cases have been dismissed, while others are pending in states including Massachusetts, Pennsylvania, North Carolina and Oregon.US Youths Are Suing The Government Over Climate Change
"None of them have gotten to the finish line," said Michael Gerrard, a professor and director of the Sabin Center for Climate Change Law at Columbia University. "It's an uphill climb. The <a href="https://www.bing.com/search?q=us&amp;cvid=54f9d77507f247e797626af67d6aeedb&amp;FORM=ANAB01&amp;PC=HCTS">U.S.</a> courts have so far not wanted to set climate policy."
Other experts say it's unclear how a state can combat a global problem.
In Seattle, eight activists between ages 10 and 15 petitioned Washington state last year to adopt stricter science-based regulations to protect them against climate change. The case has been moving through a state court, and oral arguments are scheduled Tuesday.
"We're the ones who have to live with it if the oceans are acidic and the planet is 5 degrees warmer," said Gabriel Mendell, 13, an eighth-grader and plaintiff in the case. "The snowpack is melting. Ocean is acidifying. The Earth is warming. Everything that can go wrong is going wrong, and we need to fix it."
Mendell and other youths represented by the Western Environmental Law Center argue that Washington state has failed to reduce carbon emissions based on the best available science. They say the government has violated its duties under the state constitution and the legal principle called the public trust doctrine, which requires the government to protect shared resources.
The state said in court documents that the Washington Department of Ecology department was working on adopting a rule to reduce carbon dioxide emissions.
"Climate change is the most important environmental problem," said Stu Clark, Washington's air quality program manager. "We need to do whatever we can. We are doing what we can with what we have."
Nationwide, the cases need to pass certain legal hurdles, such as establishing that the public trust doctrine applies to the Earth's atmosphere or that the children have standing to sue. The cases have cleared some hurdles but not all, said Gerrard, the professor.
"I don't think this litigation is going to be successful because climate change is a global problem, and it's not clear what a state could do," added Richard Stewart, a law professor at New York University. "A state could do certain things, but it can only make an infinitesimal contribution" to a global problem.
In Oregon, two Eugene teens are appealing after a state judge rejected their petition in May. The judge ruled that Oregon's public trust doctrine does not apply to the atmosphere, water, beaches and shorelines.
In August, 21 youths across the country sued the federal government, alleging that approval of fossil fuel development has violated the fundamental right of citizens to be free from government actions that harm life, liberty and property.
The EPA did not comment on specifics of the lawsuit but said in a statement that President Barack Obama and the agency have been taking action to "give our kids and grandkids the cleaner, safer future they deserve."
Aji Piper, 15, a Seattle high school sophomore, is a plaintiff in that case and the one in Washington state.
"The government isn't doing the best to assure that we have the best quality of life," he said. "It holds more urgency for us. Our future is at hand."
The Washington case has gone the farthest because a judge in King County Superior Court will be hearing arguments on the petition's merits, rather than on a procedural or jurisdictional issue, said Julia Olson, executive director for Our Children's Trust.
© 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.

US Youths Are Suing The Government Over Climate Change

US Youths Are Suing The Government Over Climate Change. They...

US Youths Are Suing The Government Over Climate Change. They can't vote yet, but dozens of young people want a say in the planet's future, so minors nationwide have been suing states and the federal government in recent years to push action on climate change.
They say their generation will bear the brunt of global warming and that government at every level has an obligation to protect natural resources, including the <a href="http://www.earth.com/news/atmospheric-rivers-help-create-massive-holes-in-sea-ice/">atmosphere</a>, as a "public trust" for future generations.US Youths Are Suing The Government Over Climate Change
The Oregon-based nonprofit Our Children's Trust has been leading efforts to file lawsuits or administrative petitions in every state and against the federal government. Some of the youth-led cases have been dismissed, while others are pending in states including Massachusetts, <a href="https://www.bing.com/search?q=pennsylvania&amp;cvid=aa7f133fb8cf48a49b13f834a4bfa913&amp;FORM=ANAB01&amp;PC=HCTS">Pennsylvania</a>, North Carolina and Oregon.
"None of them have gotten to the finish line," said Michael Gerrard, a professor and director of the Sabin Center for Climate Change Law at Columbia University. "It's an uphill climb. The U.S. courts have so far not wanted to set climate policy."
Other experts say it's unclear how a state can combat a global problem.
In Seattle, eight activists between ages 10 and 15 petitioned Washington state last year to adopt stricter science-based regulations to protect them against climate change. The case has been moving through a state court, and oral arguments are scheduled Tuesday.
"We're the ones who have to live with it if the oceans are acidic and the planet is 5 degrees warmer," said Gabriel Mendell, 13, an eighth-grader and plaintiff in the case. "The snowpack is melting. Ocean is acidifying. The Earth is warming. Everything that can go wrong is going wrong, and we need to fix it."
Mendell and other youths represented by the Western Environmental Law Center argue that Washington state has failed to reduce carbon emissions based on the best available science. They say the government has violated its duties under the state constitution and the legal principle called the public trust doctrine, which requires the government to protect shared resources.
The state said in court documents that the Washington Department of Ecology department was working on adopting a rule to reduce carbon dioxide emissions.
"Climate change is the most important environmental problem," said Stu Clark, Washington's air quality program manager. "We need to do whatever we can. We are doing what we can with what we have."
Nationwide, the cases need to pass certain legal hurdles, such as establishing that the public trust doctrine applies to the Earth's atmosphere or that the children have standing to sue. The cases have cleared some hurdles but not all, said Gerrard, the professor.
"I don't think this litigation is going to be successful because climate change is a global problem, and it's not clear what a state could do," added Richard Stewart, a law professor at New York University. "A state could do certain things, but it can only make an infinitesimal contribution" to a global problem.
In Oregon, two Eugene teens are appealing after a state judge rejected their petition in May. The judge ruled that Oregon's public trust doctrine does not apply to the atmosphere, water, beaches and shorelines.
In August, 21 youths across the country sued the federal government, alleging that approval of fossil fuel development has violated the fundamental right of citizens to be free from government actions that harm life, liberty and property.
The EPA did not comment on specifics of the lawsuit but said in a statement that President Barack Obama and the agency have been taking action to "give our kids and grandkids the cleaner, safer future they deserve."
Aji Piper, 15, a Seattle high school sophomore, is a plaintiff in that case and the one in Washington state.
"The government isn't doing the best to assure that we have the best quality of life," he said. "It holds more urgency for us. Our future is at hand."
The Washington case has gone the farthest because a judge in King County Superior Court will be hearing arguments on the petition's merits, rather than on a procedural or jurisdictional issue, said Julia Olson, executive director for Our Children's Trust.
© 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.

Volkswagen Emission Testing

EPA: Volkswagen Cheated On Emissions Tests More Than Once. Volkswagen cheated a second time on emissions tests, programming about 10,000 cars with larger diesel engines to emit fewer pollutants during testing than in real-world driving, according to the U.S. government.
The German automaker installed software designed to defeat the tests on VW, Porsche and Audi vehicles with six-cylinder diesel engines, the <a href="http://www.earth.com/news/environmental-era-of-pandemics/">Environmental</a> Protection Agency and<a href="https://www.bing.com/search?q=california&amp;cvid=4245521b64ab4a338d5fa16ba5dcd58d&amp;FORM=ANAB01&amp;PC=HCTS"> California</a> Air Resources Board said Monday. While on the road the cars emit up to nine times more nitrogen oxide pollution than allowed by EPA standards, the agency said. EPA: Volkswagen Cheated On Emissions Tests More Than Once
The latest charges follow VW's admission in September that it rigged emissions tests for four-cylinder diesel engines on 11 million cars worldwide, including almost 500,000 in the U.S. The so-called defeat device in the six-cylinder engines was discovered by EPA and CARB with tests put in place in late September.
In a notice of violation sent to VW, EPA officials said the automaker "knew or should have known" that by employing the software, the cars were not in compliance with Clean Air Act emission standards.
In a statement, Volkswagen said "no software was installed in the 3-Liter V6 diesel motors to change the emissions values in any impermissible way." It pledged to "fully cooperate with the EPA to clarify this situation."
VW officials have claimed only a small number of software developers in Germany were responsible for the computer code that enabled the cars to trick U.S. government emissions tests. On Monday, analysts said the latest charges call those claims into question.
"Volkswagen would do well to immediately and completely disclose all people and products involved in this deception, no matter how far-reaching," said Karl Brauer, a senior analyst for Kelley Blue Book, a widely used car valuation and research service.
Monday's announcement makes the notion that only a limited number of people were involved in the deception appear "even more outrageous," Brauer said.
Members of Congress reacted sharply. The House Energy and Commerce Committee said an investigation of VW will continue.
"The latest revelations raise the question, where does VW's road of deceit end?" said a joint statement by full committee chairman Fred Upton of Michigan and senior Democrat Frank Pallone of New Jersey, along with oversight and investigations subcommittee Chairman Tim Murphy of Pennsylvania and senior Democrat Dianna DeGette of Colorado.
"It's time for Volkswagen to fully come clean," the statement said.
The new charges also suggest even more financial pain for VW. The company faces fines of up to $37,500 per vehicle, which means up to $375 million could be added to penalties already projected in the billions of dollars. The company has set aside about 6.7 billion euros ($7.38 billion) to pay for recalling and fixing the affected cars. VW officials have also hinted at possible compensation to owners.
The EPA said Monday that the software on the six-cylinder diesels has a timer that turns on pollution controls when testing begins, including fuel injection timing and pressure, and changes the exhaust gas recirculation rate. All cause the cars to emit less nitrogen oxide pollution by operating at high exhaust temperatures, the agency said in the notice. One second after the first phase of the test ends, the cars return to normal operation.
The violations cover models including the 2014 Touareg, 2015 Porsche Cayenne and the 2016 Audi A6 Quattro, A7 Quattro, A8 and Q5. As with the smaller engines, the EPA says the cars are safe to drive.
With the scandal spreading to include some of the best-sellers from Audi, VW's most profitable brand, as well as Porsche, VW could face greater pressure on sales.
Michelle Krebs, a senior analyst for Autotrader, said the latest revelations were particularly bad for Audi, "which has been on a roll in terms of sales, reputation and image of late," but "now is being drawn deeper into the quagmire."
Previously, only the low-volume A3 Audi model was under scrutiny.
U.S. Audi sales rose 16 percent in September, while Porsche sales gained 23 percent. By contrast, Volkswagen brand sales ended the month flat after news of the emission-rigging broke in mid-month.
About 25 percent of VW brand sales have diesel engines, so the scandal almost certainly will cut into the brand's October sales. Dealers have few new diesels to sell because VW has quarantined the four-cylinder 2016 models at ports until their emissions status is resolved.
All major automakers report October sales Tuesday.
EPA officials said they tested VW and other vehicles for the presence of cheating software, and VW is the only one found with a violation. Officials wouldn't say which other vehicles they tested.
The agency has the authority to order recalls of the VW vehicles, but has yet to do so. VW has said it is working on a fix for the four-cylinder models, which the EPA says can pollute up to 40 times more than emissions limits.
"We need to be sure that the fixes are appropriate and acceptable," EPA Administrator Janet McCabe said.
Last month, the EPA said it was investigating different software on 2016 VW models that have yet to be certified by the EPA to go on sale in the U.S. But officials on Monday wouldn't comment about that investigation, saying that testing is still under way.
----
Krisher reported from Detroit. Auto Writer Dee-Ann Durbin contributed from Detroit.
© 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.

EPA: Volkswagen Cheated On Emissions Tests

EPA: Volkswagen Cheated On Emissions Tests More Than Once. Volkswagen...

Scientists: Sweden Will Lose Over Two Months Of Snow Season. Snowy white winters are likely to become a thing of the past for most Swedes.
The national weather service on Monday released a new analysis of how climate change will affect the Nordic country - and it's bad news for skiing enthusiasts.  Scientists: Sweden Will Lose Over Two Months Of <a href="http://www.earth.com/news/destructive-algae-in-the-arabian-sea-linked-to-climate-change/">Snow</a> Season
It said the length of the snow season is expected to shrink by 40-80 days by the end of the century, depending on what action governments take to fight <a href="https://www.bing.com/search?q=climate+change&amp;FORM=HDRSC1">global warming</a>.
That means the southern third of the country, where most of the population lives, would get very few, if any, days with snow cover.Sweden is part of the geographical area of <a title="Fennoscandia" href="https://en.wikipedia.org/wiki/Fennoscandia">Fennoscandia</a>. The <a class="mw-redirect" title="Swedish climate" href="https://en.wikipedia.org/wiki/Swedish_climate">climate</a> is in general mild for its northerly latitude due to significant maritime influence.
The weather service projected Sweden's average temperature will rise by 2-6 degrees C (4-11 degrees F).
Governments will meet in Paris later this year to discuss a new pact to slow climate change.
© 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.

Scientists: Sweden Will Lose Over Two Months Of Snow Season

Scientists: Sweden Will Lose Over Two Months Of Snow Season....

Scientists: Sweden Will Lose Over Two Months Of Snow Season. Snowy white winters are likely to become a thing of the past for most Swedes.
The national weather service on Monday released a new analysis of how climate change will affect the Nordic country - and it's bad news for skiing enthusiasts.
It said the length of the snow season is expected to shrink by 40-80 days by the end of the century, depending on what action governments take to fight <a href="https://www.bing.com/search?q=Climate+Change+Will+Be+Detrimental+To+World+Food+Supply&amp;FORM=HDRSC1">global warming</a>.
That means the southern third of the country, where most of the population lives, would get very few, if any, days with snow cover. Scientists: Sweden Will Lose Over Two Months Of Snow Season
The weather service projected <a href="https://www.earth.com/video/the-snowy-landscape-of-kiruna-sweden/">Sweden's</a> average temperature will rise by 2-6 degrees C (4-11 degrees F).
Governments will meet in Paris later this year to discuss a new pact to slow climate change. Climate variability includes all the variations in the climate that last longer than individual weather events, whereas the term climate change only refers to those variations that persist for a longer period of time, typically decades or more. In the time since the industrial revolution, the climate has increasingly been affected by human activities that are causing global warming and climate change.
© 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.

Arctic Ocean Will Soon Have 60 More Days Of Open Water. By the 2050s, parts of the Arctic Ocean once covered by sea ice much of the year will see at least 60 days a year of open water, according to a new modeling study led by researchers at the University of Colorado Boulder.

"We hear all the time about how sea ice extent in the Arctic is going down," says Katy Barnhart, who led the study while at CU-Boulder's Institute for Arctic and Alpine Research (INSTAAR). "That's an important measurement if you are trying to understand broad impacts of climate change in the Arctic, but it doesn't tell us about how the changes in the sea ice in the Arctic are going to affect specific places."

So Barnhart and her colleagues, including CIRES Fellow Jennifer Kay and INSTAAR Fellow Irina Overeem, set out to investigate the very local impacts of open water expansion patterns in the Arctic. Their work is published today in the journal Nature Climate Change.

The researchers used climate simulations from the National Center for Atmospheric Research-based Community Earth System Model to see how the number of open water, or sea-ice-free, days change from 1850 to 2100 in our planet's northernmost ocean. They also wanted to understand when open water conditions in specific locations would be completely different from preindustrial conditions.

Because most economic activity in the Arctic is along the coastline, the team focused on four coastal locations that demonstrated the range of sea ice change: Drew Point, along Alaska's North Slope; the Laptev Sea, along Siberia's northern coast; Perry Channel in the Canadian Arctic Archipelago (part of the Northwest Passage route); and Arctic Ocean regions east of Svalbard, Norway.

For example, at Drew Point, open water is already shifting from preindustrial conditions. Once present about 50 days a year on average (~1900-2000), open water is now present about 100 days a year. By the 2070s, the modeling study concludes, there could be close to 200 days a year with no sea ice at Drew Point, which is likely to worsen coastal erosion.

"We wanted to highlight places that had interesting or different stories with respect to the patterns of Arctic Ocean, atmosphere, and sea ice motion--things like coastal erosion or connections to potential sea routes," said Barnhart, now a postdoctoral fellow at the Annenberg Public Policy Center of the University of Pennsylvania. "Since we don't expect the impacts of Arctic sea ice loss to be exactly the same in Alaska as in Greenland, we looked at open water days to provide a more nuanced picture of sea ice change at specific locations."

For the study, Barnhart, Kay and their colleagues relied on climate projections from 1850 to 2100 and analyzed multiple runs or "realizations" from a single climate model.

According to their analysis, the entire Arctic coastline and most of the Arctic Ocean will experience an additional 60 days of open water each year by the 2050s, and many sites will have more than 100 additional days.

"The Arctic is warming and the sea ice is melting, with impacts on Arctic people and ecosystems," Kay said. "By the end of this century, assuming a scenario of continued business-as-usual greenhouse gas emissions, the Arctic will be in a new regime with respect to open water, fully outside the realm of what we've seen in the past."

---

<a href="http://www.colorado.edu" target="_blank" rel="noopener noreferrer">University of Colorado Boulder</a>

Arctic Ocean Will Soon Have 60 More Days Of Open Water

Arctic Ocean Will Soon Have 60 More Days Of Open...

Hydrothermal Vents Influence Ocean Carbon Storage. University of Georgia Skidaway Institute of Oceanography scientist Aron Stubbins joined a team of researchers to determine how hydrothermal vents influence ocean carbon storage. The results of their study were recently published in the journal Nature Geoscience.

Hydrothermal vents are hotspots of activity on the otherwise dark, cold ocean floor. Since their discovery, scientists have been intrigued by these deep ocean ecosystems, studying their potential role in the evolution of life and their influence upon today's ocean.

Stubbins and his colleagues were most interested in the way the vents' extremely high temperatures and pressure affect dissolved organic carbon. Oceanic dissolved organic carbon is a massive carbon store that helps regulate the level of carbon dioxide in the atmosphere--and the global climate.

Originally, the researchers thought the vents might be a source of the dissolved organic carbon. Their research showed just the opposite.

Lead scientist Jeffrey Hawkes, currently a postdoctoral fellow at Uppsala University in Sweden, directed an experiment in which the researchers heated water in a laboratory to 380 degrees Celsius (716 degrees Fahrenheit) in a scientific pressure cooker to mimic the effect of ocean water passing through hydrothermal vents.

The results revealed that dissolved organic carbon is efficiently removed from ocean water when heated. The organic molecules are broken down and the carbon converted to carbon dioxide.

The entire ocean volume circulates through hydrothermal vents about every 40 million years. This is a very long time, much longer than the timeframes over which current climate change is occurring, Stubbins explained. It is also much longer than the average lifetime of dissolved organic molecules in the ocean, which generally circulate for thousands of years, not millions.

"However, there may be extreme survivor molecules that persist and store carbon in the oceans for millions of years," Stubbins said. "Eventually, even these hardiest of survivor molecules will meet a fiery end as they circulate through vent systems."

---

<a href="http://www.uga.edu" target="_blank" rel="noopener noreferrer">University of Georgia</a>

Hydrothermal Vents Influence Ocean Carbon Storage

Hydrothermal Vents Influence Ocean Carbon Storage. University of Georgia Skidaway...

Hydrothermal Vents Influence Ocean Carbon Storage. University of Georgia Skidaway Institute of Oceanography scientist Aron Stubbins joined a team of researchers to determine how hydrothermal vents influence ocean carbon storage. The results of their study were recently published in the journal Nature Geoscience.

Hydrothermal vents are hotspots of activity on the otherwise dark, cold ocean floor. Since their discovery, scientists have been intrigued by these deep ocean ecosystems, studying their potential role in the evolution of life and their influence upon today's <a href="http://www.earth.com/news/arctic-rivers-heat-up-the-ocean-and-shrink-sea-ice/">ocean</a>. Hydrothermal Vents Influence Ocean Carbon Storage

Stubbins and his colleagues were most interested in the way the vents' extremely high temperatures and pressure affect dissolved organic carbon. Oceanic dissolved organic carbon is a massive carbon store that helps regulate the level of carbon dioxide in the atmosphere--and the global climate.

Originally, the researchers thought the vents might be a source of the dissolved organic carbon. Their research showed just the opposite.

Lead scientist Jeffrey Hawkes, currently a postdoctoral fellow at Uppsala University in Sweden, directed an experiment in which the researchers heated water in a laboratory to 380 degrees Celsius (716 degrees Fahrenheit) in a scientific pressure cooker to mimic the effect of ocean water passing through hydrothermal vents.

The results revealed that dissolved organic carbon is efficiently removed from ocean water when heated. The organic molecules are broken down and the carbon converted to carbon dioxide.

The entire ocean volume circulates through hydrothermal vents about every 40 million years. This is a very long time, much longer than the timeframes over which current climate change is occurring, Stubbins explained. It is also much longer than the average lifetime of dissolved organic molecules in the ocean, which generally circulate for thousands of years, not millions.

"However, there may be extreme survivor molecules that persist and store carbon in the oceans for millions of years," Stubbins said. "Eventually, even these hardiest of survivor molecules will meet a fiery end as they circulate through vent systems."

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<a href="http://www.uga.edu" target="_blank" rel="noopener noreferrer">University of Georgia</a>

Arctic Ocean Will Soon Have 60 More Days Of Open Water. By the 2050s, parts of the Arctic Ocean once covered by sea ice much of the year will see at least 60 days a year of open water, according to a new modeling study led by researchers at the University of <a href="http://www.earth.com/image/cameron-peak-fire-is-now-the-largest-in-colorados-recorded-history/">Colorado</a> Boulder.

"We hear all the time about how sea ice extent in the Arctic is going down," says Katy Barnhart, who led the study while at CU-Boulder's Institute for Arctic and Alpine Research (INSTAAR). "That's an important measurement if you are trying to understand broad impacts of climate change in the Arctic, but it doesn't tell us about how the changes in the sea ice in the Arctic are going to affect specific places."

So Barnhart and her colleagues, including CIRES Fellow Jennifer Kay and INSTAAR Fellow Irina Overeem, set out to investigate the very local impacts of open water expansion patterns in the Arctic. Their work is published today in the journal Nature Climate Change.

The researchers used climate simulations from the National Center for Atmospheric Research-based Community Earth System Model to see how the number of open water, or sea-ice-free, days change from 1850 to 2100 in our planet's northernmost ocean. They also wanted to understand when open water conditions in specific locations would be completely different from preindustrial conditions.

Because most economic activity in the Arctic is along the coastline, the team focused on four coastal locations that demonstrated the range of sea ice change: Drew Point, along Alaska's North Slope; the Laptev Sea, along Siberia's northern coast; Perry Channel in the Canadian Arctic Archipelago (part of the Northwest Passage route); and Arctic Ocean regions east of Svalbard, Norway.

For example, at Drew Point, open water is already shifting from preindustrial conditions. Once present about 50 days a year on average (~1900-2000), open water is now present about 100 days a year. By the 2070s, the modeling study concludes, there could be close to 200 days a year with no sea ice at Drew Point, which is likely to worsen coastal erosion.

"We wanted to highlight places that had interesting or different stories with respect to the patterns of Arctic Ocean, atmosphere, and sea ice motion--things like coastal erosion or connections to potential sea routes," said Barnhart, now a postdoctoral fellow at the Annenberg Public Policy Center of the University of Pennsylvania. "Since we don't expect the impacts of Arctic sea ice loss to be exactly the same in Alaska as in Greenland, we looked at open water days to provide a more nuanced picture of sea ice change at specific locations."

For the study, Barnhart, Kay and their colleagues relied on climate projections from 1850 to 2100 and analyzed multiple runs or "realizations" from a single climate model.

According to their analysis, the entire Arctic coastline and most of the Arctic Ocean will experience an additional 60 days of open water each year by the 2050s, and many sites will have more than 100 additional days.

"The Arctic is warming and the sea ice is melting, with impacts on Arctic people and ecosystems," Kay said. "By the end of this century, assuming a scenario of continued business-as-usual greenhouse gas emissions, the Arctic will be in a new regime with respect to open water, fully outside the realm of what we've seen in the past."

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<a href="http://www.colorado.edu" target="_blank" rel="noopener noreferrer">University of Colorado Boulder</a>

UN: Climate Change Will Be Detrimental To World Food Supply. A U.N. expert is warning that more extreme weather, higher temperatures, floods, droughts and rising sea levels linked to climate change are threatening people's access to food over the long term.
Hilal Elver, the U.N. special rapporteur on "the right to food," predicts the negative impact from climate change on <a href="https://www.bing.com/search?q=agriculture&amp;cvid=c2b579318479424a909bdf2bbf7c903e&amp;FORM=ANAB01&amp;PC=HCTS">agriculture</a> and world food supply could subject another 600 million people to malnutrition by 2080.
In a statement on Tuesday before a U.N. climate conference in <a href="https://www.earth.com/news/inconsistent-paris-agreement-pledges/">Paris</a> starting Nov. 30, she recommended a shift from large-scale, industrial agriculture to "agro-ecology" that supports the local food movement, small-scale farmers and the environment. UN: Climate Change Will Be Detrimental To World Food Supply. Climate variability includes all the variations in the climate that last longer than individual weather events, whereas the term climate change only refers to those variations that persist for a longer period of time, typically decades or more. In the time since the industrial revolution, the climate has increasingly been affected by human activities that are causing global warming and climate change.
Most climate scientists say the climate is changing largely because of the buildup of heat-trapping gases from the burning of coal, oil and gas. Some public officials and a few climate scientists disagree.
© 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.

UN: Climate Change Will Be Detrimental To World

UN: Climate Change Will Be Detrimental To World Food Supply....

New Strategy For Restoring Coastal Wetlands. When restoring coastal wetlands, common practice calls for leaving space between new plants to prevent overcrowding and reduce competition for nutrients and sunlight.

That's likely all wrong.

A new study, conducted to restore degraded salt marshes in Florida and the Netherlands, has found that clumping newly planted marsh grasses next to each other, with little or no space in between, can spur positive interactions between the plants.

In some test plots, plant density and vegetative cover increased by as much as 300 percent by season's end.

"This is a really small design change that can yield greatly improved results, without adding to restoration costs or time," said Brian Silliman, a marine ecologist at Duke University. "It's essentially free success--higher yields at no added expense."

Silliman and his colleagues published the results in this week's issue of the journal Proceedings of the National Academy of Sciences.

Basic ecological principles

[caption id="attachment_2385983" align="alignleft" width="150"]<a href="http://cff1.greenatom.net/uploads/2015/11/03091133/great-meadows-marsh_1big_NSF.jpg"><img class="size-thumbnail wp-image-2385983" src="http://cff1.greenatom.net/uploads/2015/11/03091133/great-meadows-marsh_1big_NSF-150x150.jpg" alt="Great Meadows Marsh, its grasses blowing in the wind, stretches along the Connecticut coast." width="150" height="150" /></a> Great Meadows Marsh, its grasses blowing in the wind, stretches along the Connecticut coast.[/caption]

"Understanding basic ecological principles has very practical impacts," said Mike Sieracki, program director in the National Science Foundation Division of Ocean Sciences, which funded the research. "In this case, simple changes in marsh restoration practices improve success."

The finding, which is applicable to a wide array of coastal restoration efforts worldwide, upends a 40-year-old theory borrowed from forestry: New plants, called "out-plants" by restoration ecologists, need to be spaced well apart from each other to reduce competition and generate the highest growth rates.

"In a low-stress field or forest that makes sense," Silliman said. "But in the tough, volatile environment of redeveloping coastal wetlands, it's a different story."

A plant that is spaced too far from other plants and species in a restored wetland will experience not only fewer negative interactions but also fewer positive ones, which often outweigh the negatives.

Left to fend on their own, small out-plants will have more trouble resisting erosion, overcoming low oxygen levels in soil, surviving infestations and withstanding overgrazing by marsh herbivores.

In a marsh, get closer to neighbors

"The bottom-line message is: A coastal wetland plant that is close to its neighbors will grow better than a plant that isn't," Silliman said. "The findings clearly demonstrate that planting closely does not spur negative competition. It allows positive interactions to flourish, so plants can work together to survive."

Convincing others to adopt this new approach may prove a challenge.

[caption id="attachment_2385984" align="alignleft" width="150"]<a href="http://cff1.greenatom.net/uploads/2015/11/03091136/marsh-maine_1big_NSF.jpg"><img class="size-thumbnail wp-image-2385984" src="http://cff1.greenatom.net/uploads/2015/11/03091136/marsh-maine_1big_NSF-150x150.jpg" alt="In autumn, marsh grasses begin to die back in areas such as this Maine coastal wetland." width="150" height="150" /></a> In autumn, marsh grasses begin to die back in areas such as this Maine coastal wetland.[/caption]

A survey conducted by Silliman and his team as part of the new study found that 95 percent of restoration organizations in the United States still adhere to the old forestry-based practice of dispersed planting. The practice remains common in other countries, as well.

"In China, where coastal marshes have experienced massive die-offs from drought and overgrazing, people have tried unsuccessfully to restore them using the old paradigm that spaces out plants," said Qiang He, also of Duke University and a co-author of the paper. "It's possible that changing planting designs could greatly improve success of salt marsh restoration there, as clumping could protect plants from salt stress and overgrazing."

Silliman added, "In the very near future, conservation will entail immense restoration projects on the scale of whole ecosystems, islands or cities. We won't just be restoring them; we'll be augmenting existing ecosystems and creating new ones to provide the services we need.

"Increasing our yields and decreasing our costs to achieve these goals must be a high scientific priority. This study takes a big step in the right direction by showing how harnessing positive interactions can increase restoration success."

Funding for the study also came from the Netherlands Royal Society of Arts and Sciences and the Edward Stolarz Foundation.

Other co-authors of the paper are Elizabeth Schrack, Rebecca Cope and Amanda Santoni of Duke; T. van der Helde of Ramhoud University at Nijmegen and the University of Groningen; Johan van de Koppel of the Royal Netherlands Institute for Sea Research and the University of Groningen; and Ralph and Mike Jacobi of the Tampa Bay, Florida, Boy Scout Troop 138, which planted and helped monitor experimental salt marsh test plots in the study.

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<a href="http://www.nsf.gov" target="_blank" rel="noopener noreferrer">National Science Foundation</a>

New Strategy For Restoring Coastal Wetlands

New Strategy For Restoring Coastal Wetlands. When restoring coastal wetlands,...

Scientists are transforming chocolate into a functional food by infusing it with probiotics and prebiotics, aiming to create a treat that satisfies cravings while supporting gut health. 



The challenge lies in maintaining chocolate's beloved texture and flavor while adding health benefits.



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Probiotics - beneficial microbes that balance gut bacteria and aid digestion - are typically fragile and can be destroyed by stomach acid or processing. 



Prebiotics act as food for these microbes, helping them thrive. Together, they form "synbiotics," a powerful health combination.



Researchers Smriti Gaur and Shubhi Singh from India's Jaypee Institute of Information Technology took an innovative approach, using natural prebiotics like corn and honey instead of complex processing methods. 



They created five chocolate varieties: a control and four synbiotic versions containing different combinations of prebiotics, probiotics (Lactobacillus strains), and flavor enhancers (cinnamon or orange).



Laboratory simulations of human digestion showed the probiotics remained viable for over five hours, suggesting they could survive long enough to benefit gut health.



Taste tests were positive, with researchers particularly enjoying the orange-flavored variety, describing it as having "vibrant citrus notes" complementing the "rich cocoa" with a "luxurious" texture.



This research represents just the beginning. With further refinement of strains, textures, and flavors, chocolate could evolve beyond mere indulgence to become a functional food that nourishes while it delights.



The study is published in the journal <a href="https://pubs.acs.org/doi/10.1021/acsfoodscitech.4c00741" target="_blank" rel="noreferrer noopener">ACS Food Science &amp; Technology</a>.

Is chocolate the next nutritional powerhouse?

Scientists are transforming chocolate into a functional food by infusing...

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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



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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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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;



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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



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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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.

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



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.

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



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.

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



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.

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



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.

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



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.

Mysterious "spoke season" captured on Saturn

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Closeup,Of,Fresh,Green,The,Napier,Bush,Grass,As,Animal

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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



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.

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



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.

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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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.

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



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.

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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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.

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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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.

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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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.

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

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