From bright planets to a mythological bird soaring among the stars, July 2025 has an exciting show lined up in the night sky.&nbsp;



NASA’s Jet Propulsion Laboratory (<a href="https://science.nasa.gov/skywatching/whats-up/">JPL</a>) has shared its skywatching highlights - revealing what to be on the lookout for this month, from sunset to sunrise.



<h2 class="wp-block-heading" id="h-planets-in-motion">Planets in motion</h2>



Venus reigns in the morning sky all month, shining brightly in the east during the hours before sunrise. Look for it near the Pleiades star cluster and two brilliant stars - Aldebaran and Capella.



<a href="https://www.earth.com/news/mars-lost-most-of-its-water-but-where-did-it-go/">Mars</a> is visible in the western sky shortly after sunset, glowing about 20 degrees above the horizon before it sets a couple of hours later. On July 28, it forms a striking pair with the crescent Moon.



Jupiter begins to climb into the morning sky after mid-month. Initially low on the eastern horizon, it rises higher each day, heading toward a dramatic August conjunction with Venus.



Mercury is visible only briefly - watch for it in the west during the first week of July, beginning about 30 to 45 minutes after sunset. It stays close to the horizon and sets quickly, so timing and a clear view are key.



<a href="https://www.earth.com/news/massive-energy-imbalance-discovered-on-saturn/">Saturn</a> makes its entrance around midnight and climbs high in the southern sky by dawn - offering a glimpse of the planet for early risers.



<figure class="wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio"><div class="wp-block-embed__wrapper">
https://youtu.be/SQu8utmfOQk?si=IG-nb7ithbJF3vQD
</div><figcaption class="wp-element-caption">What are some skywatching highlights in July 2025? Look for Mars in the evening, Venus and Jupiter in the morning, and find the eagle constellation, Aquila, soaring overhead.</figcaption></figure>



<h2 class="wp-block-heading" id="h-the-first-successful-mars-mission">The first successful Mars mission</h2>



July 2025 marks the 60th anniversary of NASA’s Mariner 4 mission, which performed the first successful Mars flyby in 1965. 



The spacecraft sent back the first close-up images of the Martian surface and revealed that the planet’s atmosphere was thin, cold, and not as Earth-like as once imagined.&nbsp;



Before Mariner 4, many scientists and the public still held out hope that Mars might resemble a second Earth - perhaps even supporting vegetation or signs of life.&nbsp;



However, the grainy black-and-white images, showing a cratered, barren landscape, were a sobering reality check that reshaped our understanding of the Red Planet.



Despite dashing earlier hopes, Mariner 4 paved the way for decades of <a href="https://www.earth.com/news/climate-collapse-why-did-mars-become-a-desert/">Mars</a> exploration. It was the first time humans had seen another planet up close. The mission proved that long-distance robotic exploration was not only possible, but essential.&nbsp;



<h2 class="wp-block-heading" id="h-spotting-aquila-in-the-july-sky">Spotting Aquila in the July sky</h2>



July is also the ideal time to view Aquila, the Eagle constellation, in the eastern sky during the first half of the night. Its brightest star, Altair, is easy to spot and forms part of the Summer Triangle, along with Vega and Deneb.



Aquila represents the eagle of Zeus in Greek mythology - a powerful messenger and symbol of divine strength. 



Altair marks the eagle’s heart, with its wings stretching wide across the night sky. To find it, look for the triangle-shaped pattern and note that Altair sits at the southern point.



While Aquila’s other stars aren’t as bright, they’re easier to trace under dark skies. The second half of July is especially good for observing this constellation, as the <a href="https://www.earth.com/news/how-did-earth-get-its-moon-a-new-theory-has-emerged/">Moon</a> rises later and leaves the early night sky darker.



For those in the Northern Hemisphere, Aquila is a summer favorite. Once you’ve located Altair, try to follow the eagle’s full wingspan across the sky. It appears to fly northward with its wings outstretched.



<h2 class="wp-block-heading" id="h-key-dates-for-july-skywatching-nbsp">Key dates for July skywatching&nbsp;</h2>



<ul class="wp-block-list">
<li>July 1–7: Mercury is bright and easy to spot in the west after sunset - if you catch it in time. It vanishes within an hour of sundown.</li>



<li>July 21–22: Look east before sunrise to see Venus and Jupiter joined by a crescent Moon, along with several bright stars.</li>



<li>July 28: In the evening sky, the Moon passes close to Mars, offering a beautiful pairing.</li>
</ul>



Whether you’re watching Mars fade into the west or spotting Venus and <a href="https://www.earth.com/news/jupiters-past-how-the-young-gas-giant-shaped-our-solar-system/">Jupiter</a> at dawn, July will be a rewarding month to keep an eye on the sky.&nbsp;



NASA’s monthly “What’s Up” guide helps us stay connected to the ever-changing night sky. To explore more about NASA’s space missions and skywatching tools, visit <a href="https://science.nasa.gov">science.nasa.gov</a>.



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July 2025 skywatching: Bright planets and a summer constellation 

From bright planets to a mythological bird soaring among the stars, July 2025 has an exciting show lined up in the night sky.&nbsp; NASA’s Jet Propulsion Laboratory (JPL) has shared its skywatching highlights - revealing what to be on the lookout for this month, from sunset to sunrise. Planets in motion Venus reigns in the morning sky all month, shining brightly in the east during the hours before sunrise. Look for it near the Pleiades star cluster and two brilliant stars - Aldebaran and Capella. Mars is...

Global Warming Is Pushing Walrus Habitat North. Anna Oxereok grew up eating walrus in the western <a href="https://www.bing.com/search?q=alaska&amp;cvid=b778e663a2c9415bb77b92fcf041bb75&amp;FORM=ANAB01&amp;PC=HCTS">Alaska</a> village of Wales. Today it's such a rare treat she can't bring herself to part with the plastic gallon bag of meat in her freezer.
"I have to save it for something special," she says.
Her brother caught two animals this spring and shared the meat and fat, but it didn't go very far in the village of 150. She's thankful for what she got, though. It's become increasingly difficult to land a walrus. Global Warming Is Pushing Walrus Habitat North.
Other remote communities at the edge of the Bering Sea also are seeing a steep decline in <a href="http://www.earth.com/news/global-warming-is-pushing-walrus-habitat-north-2/">walrus</a> harvested the past several years. Walrus, described by some as having a taste between veal and beef, is highly prized by Alaska Natives as a subsistence food to store for winter, with the adult male animals averaging 2,700 pounds. The sale of carved ivory from the tusks, legal only for Alaska Natives, also brings in supplemental income to communities with high unemployment rates.
Hunters and scientists say walrus habitat migration patterns are veering from historical hunting grounds as temperatures warm and the ocean ice used by the animals to dive and rest recedes farther north. Village elders also tell biologists the wind is blowing in new directions. In 2013, a late-season icepack clustered around St. Lawrence Island, blocking hunters from the sea.
"I think one of the biggest issues is that things have gotten so variable. It's hard to really predict what's going to happen," said Jim MacCracken, Alaska walrus program supervisor for the U.S. Fish and Wildlife Service.
Iver Campbell and other Yup'ik Eskimo hunters from two St. Lawrence Island communities harvested more than 1,100 walrus in 2003. But a decade later, hunters managed to take only 555 - a fraction of the ideal of one walrus per resident, per year. Things still aren't looking any better for the 1,430 residents of the villages of Gambell and Savoonga. The recent spring take was 233 walrus, according to preliminary Fish and Wildlife figures.
The shore ice once served to block the wind for hunters but that's no longer the case, said Campbell, who's lived all 64 years in Gambell, population 713.
"The ice goes out real fast, melts real fast," he said. "We don't have anything to counter the wind and the rough water."
Science backs that observation. According to the Office of Naval Research, the past eight years have had the eight lowest amounts of summer sea ice on record.
Far from the state's limited road system, costly store-bought food is not an affordable solution. At village stores, pantry staples quickly add up - nearly $7 for a dozen eggs, $15 for a gallon of milk and $6.25 for a loaf of basic white bread. People rely on the region's resources for up to 80 percent of their diets.
Their hunting practices are closely monitored by federal authorities to ensure the animals that are killed are not going to waste. Generally, such hunts don't cause a public outcry in Alaska.
In these communities, a subsistence lifestyle is a necessity. In fact, the low harvest this year recently prompted a donation of 10,000 pounds of frozen halibut to four affected villages.
"A decline in the subsistence harvest really creates an economic disaster that threatens the health and welfare of the people in the communities," said Vera Metcalf, director of the Eskimo Walrus Commission. "So we are concerned about the impacts of climate change and the ability for our hunters to harvest marine mammals."
Some Native communities can search for other animals, like domestic reindeer or caribou. But opportunities aren't as bountiful for Diomede on the western coast of Little Diomede Island, only a few miles from Russia. The community of 120 harvested one walrus in 2014, prompting city and Native leaders to seek assistance from the state.
This year, 10 walrus were harvested, according to Diomede hunter Robert Soolook. There's no shortage of walrus, he said, but they're migrating sooner. No one has initiated any long-range planning to address the shift, but Soolook believes hunters eventually will need to change their practices, even going out earlier.
"Now that we've seen this, we have to start adapting," he said.
No federal assistance is available, and state aid is minimal, at best. State Sen. Sen. Donny Olson, D-Golovin, said he might introduce legislation to allow failed subsistence hunts to qualify for state disaster funds.
Moving from her ancestral lands is not an option, according to Oxereok, an Inupiat Eskimo. Relocating would mean displacing everything she knows.
"It's not that simple because your roots are here," she said.
---
Follow Rachel D'Oro at <a href="https://twitter.com/rdoro" target="_blank" rel="noopener noreferrer">https://twitter.com/rdoro</a>
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Global Warming Is Pushing Walrus Habitat North

Global Warming Is Pushing Walrus Habitat North. Anna Oxereok grew...

Western Drought Prompting Fears Of Huge Klamath River . The drought in the West could be creating conditions in the Klamath River straddling Oregon and California for a repeat of a 2002 salmon kill that claimed tens of thousands of adult <a href="https://www.bing.com/search?q=salmon+recipes&amp;cvid=eeabf429775949aaaf598e9ad73b8b0f&amp;FORM=ANAB01&amp;PC=HCTS">salmon</a>, biologists said.
Low water and warm temperatures have slowed the upriver migration of spring chinook, allowing infections by parasites as the salmon crowd together in cool water pools.
A similar fate is expected for fall chinook that will start arriving in coming weeks.
"The risk factors this year are piling up," Mike Belchick, biologist for the Yurok Tribe, said Wednesday. The tribe depends on Klamath River salmon for food and ceremonies. Western Drought Prompting Fears Of Huge Klamath River
The deadly parasite has been detected at high levels in salmon earlier in the year than usual. The parasite thrives in warm water, infesting the gills of fish and suffocating them.
Warm water has left fish too lethargic to swim upstream, so they congregate in pools fed by cool springs, where the crowding contributes to the spread of the disease.
The river is running slightly higher than it was in 2002 but this year's projected return of 120,000 chinook is lower than average.
The Yurok and Hoopa Valley tribes have called on the U.S. Bureau of Reclamation to send extra water down the Klamath and Trinity rivers for the fish.
But there is little available in the drought and any releases are being saved for the most effective times.
"At this point, we are just really watching the situation," said bureau spokeswoman Erin Curtis. "It is the fourth year of severe drought. Water supplies are very limited and the situation is not good."
The water in the rivers is tightly split between fish and irrigation projects.
Conditions were similar last year, but the bureau was able to release extra water down both rivers. While some fish died of disease, the numbers were not great, said Wade Sinnen, senior environmental scientist for the<a href="http://www.earth.com/image/tule-fog-across-californias-central-valley/"> California</a> Department of Fish and Wildlife.
However, no one really knows how much water is needed to avert a major fish kill, given the variables of how many fish return and how hot the weather gets.
"Every time we've done flow augmentations, there has been litigation associated with it," Sinnen said.
In 2001, water was shut off to the Klamath Reclamation Project to leave water in the Klamath River for protected salmon, setting off bitter confrontations between farmers and federal marshals.
The next year, the Bush administration restored irrigation to the Klamath project, creating conditions in the river for disease that killed as many as 62,000 salmon.
Farmers, tribes, salmon fishermen and states later hammered out agreements to remove three dams on the Klamath River, restore the river and give farmers more predictability about water, But the plan remains stalled in Congress, opposed by House Republicans.
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Western Drought Prompting Fears Of Huge Klamath River

Western Drought Prompting Fears Of Huge Klamath River . The...

Scientists: Fish Are Retreating To Deeper Water . A James Cook University study shows fish are retreating to deeper water to escape the heat, a finding that throws light on what to expect if predictions of ocean warming come to pass.

JCU scientists tagged 60 redthroat emperor fish at Heron Island in the southern Great Barrier Reef. The fish were equipped with transmitters that identified them individually and signaled their depth to an array of receivers around the island. Scientists: <a href="http://www.earth.com/news/fish-fossils-provide-new-insight-into-the-origins-of-teeth/">Fish</a> Are Retreating To Deeper Water

The experiment monitored fish for up to a year and found the fish were less likely to be found on the reef slope on warmer days. Scientists think the species probably head for deeper water in response to warmer temperatures.

The research team considered temperature, air pressure rainfall, wind and moon phases as reasons for the shift, but discovered the only significant correlation was with temperature - the redthroat emperor were consistently monitored when water was less than 24 degrees Celsius.

Lead researcher Dr Leanne Currey said most studies looked at the effect ocean warming would have on fish biology, not on how they would distribute themselves to compensate for higher temperatures. "This is a commercially important fish and we are looking at a significant depth shift," she said.

Dr Currey said the species are caught by commercial and recreational anglers near coral reefs and was the second most favoured fish for the reef line fishery behind the coral trout.

"If it's not around in the shallows in the future then fishers will have to redirect their efforts and it may be significantly harder to catch them," she said. The fish has been known to tolerate depths of up to 160 metres.

Dr Currey said instead of diving deeper, the species may instead shift south in search of cooler water at the same depth. She said some redthroat emperor had recently been caught off Perth, far from their normal habitat further up the West Australian coast.

Dr Currey said the next logical phase of the research was to investigate whether the fish could adapt physiologically to warmer sea temperatures, as it appeared other species could.

---

<a href="http://www.jcu.edu.au/" target="_blank" rel="noopener noreferrer">James Cook University</a>

Scientists: Fish Are Retreating To Deeper Water

Scientists: Fish Are Retreating To Deeper Water . A James...

Wastewater From Colorado Gold Mine Flows Towards Utah. An eerie yellow sludge that poured out of a shuttered Colorado gold mine and into a southwestern Colorado river was inching its way downstream toward New Mexico and Utah.
Federal officials said Friday the spill contains heavy metals including lead and arsenic, but it was too early to know whether they posed a health risk. No health hazard has been detected, but the tests were still being analyzed, said Joan Card, an adviser to Environmental Protection Agency Regional Director Shaun McGrath.Wastewater From Colorado Gold Mine Flows Towards Utah
The spill also contained cadmium, aluminum, copper and calcium, the EPA said. The concentrations were not yet known.
An EPA-supervised cleanup crew accidentally unleashed 1 million gallons of the wastewater from the Gold King Mine on Wednesday, and it flowed down Cement Creek and into the scenic Animas River, which is popular with boaters and anglers. Wastewater From Colorado Gold Mine Flows Towards Utah
The EPA warned people to stay out of the river and to keep domestic animals from drinking from it. Local officials declared stretches of the river off-limits in Colorado and New Mexico.
At least two of the heavy metals can be lethal for humans in long-term exposure. Arsenic at high levels can cause blindness, paralysis and cancer. Lead poisoning can create muscle and vision problems for adults, harm development in fetuses and lead to kidney disease, developmental problems and sometimes death in children, the agency said.
Water samples were also tested in New Mexico, but no results had been released. The Animas flows into the San Juan River in New Mexico, and the San Juan flows into Utah, where in joins the <a href="https://www.bing.com/search?q=colorado&amp;cvid=3f5d418b5fc34987bbcc279f77bf73b8&amp;FORM=ANAB01&amp;PC=HCTS">Colorado</a> River in Lake Powell.
Officials said the contamination would likely settle into sediment in Lake Powell. <a href="http://www.earth.com/news/plants-and-animals-at-grand-canyon-accumulating-mercury-contamination/">Glen Canyon</a> National Recreation Area officials said visitors will be warned starting Monday to avoid drinking, swimming or boating on affected stretches of the lake and river until further notice.
New Mexico officials were angry they were not told of the spill until Thursday, nearly a day after it occurred. "New Mexico deserves better," state Environment Secretary Ryan Flynn said.
McGrath apologized for the EPA's response and for previously sounding cavalier about the concerns for public health and the environment. "Our initial response to it was not appropriate in that we did not understand the full extent of what we were looking at here," he said.
At least seven water utilities shut down their intake valves ahead of the plume to keep it out of their systems, and no drinking-water contamination was reported. Farmers also closed the gates on their irrigation ditches to protect their crops.
Water was still spilling from the mine on Friday, but officials didn't know how fast. Crews were building containment ponds to catch it.
Card said the EPA has no way to get the discolored water out of the river and that it will eventually dissipate. It wasn't clear when that will happen.
Officials were releasing extra water from at least one reservoir to help dilute the pollution.
Few details have been released about the spill, except that the cleanup crew of EPA employees and contractors accidentally breached a debris dam that had formed inside the mine. The crew was trying to enter the mine to pump out and treat the water, EPA spokeswoman Lisa McClain-Vanderpool said.
The mine has been inactive since 1923.
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Wastewater From Colorado Gold Mine Flows Towards Utah

Wastewater From Colorado Gold Mine Flows Towards Utah. An eerie...

Lupins at Lake Takepo, NZ

Study: Many Tropical And Mountaintop Plants Won't Survive <a href="https://www.bing.com/search?q=climate+change&amp;cvid=c1bd4c25b5ed4901b4d7ed149848a9eb&amp;FORM=ANAB01&amp;PC=HCTS">Climate Change</a>. Australian scientists have discovered many tropical, mountaintop plants won't survive global warming, even under the best-case climate scenario.

James Cook University and Australian Tropical Herbarium researchers say their climate change modelling of mountaintop plants in the tropics has produced an "alarming" finding.

They found many of the species they studied will likely not be able to survive in their current locations past 2080 as their high-altitude climate changes. Study: Many Tropical And Mountaintop Plants Won't Survive Climate Change

The Wet Tropics World Heritage Area in Queensland, <a href="http://www.earth.com/news/why-australias-east-coast-is-a-hotbed-of-volcanic-activity/">Australia</a> is predicted to almost completely lose its ability to host the endemic plants that grow 1000 metres or more above sea level. Study: Many Tropical And Mountaintop Plants Won't Survive Climate Change

Lead researcher, Dr Craig Costion says the findings have important implications for some rare and ancient species. "They already live on mountain tops, they have no other place to go," he says.

The scientists looked at 19 plant species in the tropics found at least 1000 metres above sea level. They modelled three climate change scenarios in the region, ranging from conservative to extreme.

They found that by 2040 the climate niche the species grow in would decline anywhere between a minimum of 17% and a maximum of 100%.

By 2080, even using conservative assumptions, nearly half of the plants would not have what the scientists believe is a survivable climate.

The data show that between 2040 and 2060 eight to 12 species will be at risk of extinction.

Predictions indicate that by 2080 no suitable habitat will exist within the region for 84% of the species studied under any emissions scenario.

Dr Costion says there were some caveats on the findings.

"Our study indicates that the current climate on Queensland's mountaintops will virtually disappear. What we don't know is if these plants can adapt."

The researchers looked only at endemic trees and shrubs found solely above 1000 metres and for which there were the best records. They didn't consider reasons for their presence on mountaintops apart from climate suitability. But Dr Costion said he was confident the scientists were not being alarmist.

"The 19 species represent most of the plants that are restricted to that habitat. It's highly likely they are found only there because of the climate. There are plenty of other similar soil and substrate environments at lower elevations where they could grow but the climate is unsuitable," he says.

Dr Costion says plans are underway to confirm and expand on the findings.

Co-author Professor Darren Crayn says the findings show well managed conservation reserves may be safe from many threats, but not from climate change, with the Wet Tropics World Heritage area seriously exposed.

"The tropics contain most of the world's biodiversity, and tropical mountains are particularly rich in unique and rare species. Managing for global threats such as climate change requires much better information - a redoubling of research efforts on these poorly understood landscapes would pay great dividends," he says.

He said without a suitable environment, the survival of the threatened species may depend on them being grown in botanical gardens under controlled conditions.

---

<a href="http://www.jcu.edu.au/" target="_blank" rel="noopener noreferrer">James Cook University</a>

Study: Many Tropical And Mountaintop Plants Won't Survive

Study: Many Tropical And Mountaintop Plants Won't Survive Climate Change....

Pope Designates September 1 As Day To Pray For The Environment. Pope Francis has taken a cue from Orthodox Christians and designated Sept. 1 as a day for Catholics to pray for the environment.
The Vatican said Monday that Francis, taking up a suggestion from Orthodox leaders, instituted for Catholics a "world day of prayer for the care of Creation" to be marked every Sept. 1.
Writing to Vatican <a href="http://www.earth.com/earthpedia-articles/top-7-most-interesting-state-birds/">cardinals</a> about his decision, Francis quoted from his encyclical this year about the need for Christians and all people to protect the <a href="https://www.bing.com/search?q=environmental&amp;cvid=4ae9440ff4804f4795559fbdeb136512&amp;FORM=ANAB01&amp;PC=HCTS">environment</a>. Pope Designates September 1 As Day To Pray For The Environment
Francis told the cardinals the day will offer "individual believers and communities" an opportunity to reaffirm commitments to being "stewards of creation."
The pope said Catholics' marking the prayer day on the same date as the Orthodox highlights the `'growing communion" between the churches.
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Pope Designates September 1 As Day To Pray For The Environment

Pope Designates September 1 As Day To Pray For The...

Wastewater From Colorado Gold Mine Flows Towards Utah And New Mexico. An eerie yellow sludge that poured out of a shuttered Colorado gold mine and into a southwestern <a href="https://www.bing.com/search?q=colorado&amp;cvid=f83411bd5bf94341bb9d4ba733d23d37&amp;FORM=ANAB01&amp;PC=HCTS">Colorado</a> river was inching its way downstream toward New Mexico and Utah.
Federal officials said Friday the spill contains heavy metals including lead and arsenic, but it was too early to know whether they posed a health risk. No health hazard has been detected, but the tests were still being analyzed, said Joan Card, an adviser to Environmental Protection Agency Regional Director Shaun McGrath. Wastewater From Colorado Gold Mine Flows Towards Utah And New Mexico
The spill also contained cadmium, <a href="http://www.earth.com/earthpedia-articles/aluminum/">aluminum</a>, copper and calcium, the EPA said. The concentrations were not yet known.
An EPA-supervised cleanup crew accidentally unleashed 1 million gallons of the wastewater from the Gold King Mine on Wednesday, and it flowed down Cement Creek and into the scenic Animas River, which is popular with boaters and anglers.
The EPA warned people to stay out of the river and to keep domestic animals from drinking from it. Local officials declared stretches of the river off-limits in Colorado and New Mexico.
At least two of the heavy metals can be lethal for humans in long-term exposure. Arsenic at high levels can cause blindness, paralysis and cancer. Lead poisoning can create muscle and vision problems for adults, harm development in fetuses and lead to kidney disease, developmental problems and sometimes death in children, the agency said.
Water samples were also tested in New Mexico, but no results had been released. The Animas flows into the San Juan River in New Mexico, and the San Juan flows into Utah, where in joins the Colorado River in Lake Powell.
Officials said the contamination would likely settle into sediment in Lake Powell. Glen Canyon National Recreation Area officials said visitors will be warned starting Monday to avoid drinking, swimming or boating on affected stretches of the lake and river until further notice.
New Mexico officials were angry they were not told of the spill until Thursday, nearly a day after it occurred. "New Mexico deserves better," state Environment Secretary Ryan Flynn said.
McGrath apologized for the EPA's response and for previously sounding cavalier about the concerns for public health and the environment. "Our initial response to it was not appropriate in that we did not understand the full extent of what we were looking at here," he said.
At least seven water utilities shut down their intake valves ahead of the plume to keep it out of their systems, and no drinking-water contamination was reported. Farmers also closed the gates on their irrigation ditches to protect their crops.
Water was still spilling from the mine on Friday, but officials didn't know how fast. Crews were building containment ponds to catch it.
Card said the EPA has no way to get the discolored water out of the river and that it will eventually dissipate. It wasn't clear when that will happen.
Officials were releasing extra water from at least one reservoir to help dilute the pollution.
Few details have been released about the spill, except that the cleanup crew of EPA employees and contractors accidentally breached a debris dam that had formed inside the mine. The crew was trying to enter the mine to pump out and treat the water, EPA spokeswoman Lisa McClain-Vanderpool said.
The mine has been inactive since 1923.
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Wastewater From Colorado Gold Mine Flows Towards Utah And New...

Thousands Of Mines With Toxic Water Lie Underground In The Western US. Beneath the western United States lie thousands of old mining tunnels filled with the same <a href="http://www.earth.com/news/toxic-algal-blooms-will-become-more-frequent-off-the-u-s-west-coast/">toxic</a> water stew that spilled into a Colorado river last week, turning it into a nauseating yellow concoction and stoking alarm about contamination of drinking water.
Though the spill into the Animas River in southern Colorado is unusual for its size, it's only the latest instance of the region grappling with the legacy of a centuries-old mining boom that helped populate the region but also left buried toxins. Thousands Of Mines With Toxic Water Lie Underground In The Western US
Until the late 1970s there were no regulations on mining in most of the region, meaning anyone could dig a hole where they liked and search for gold, silver, copper or<a href="https://www.bing.com/search?q=zinc&amp;cvid=783fe5a50b514bd8bb258c1d5a641e3f&amp;FORM=ANAB01&amp;PC=HCTS"> zinc</a>. Abandoned mines fill up with groundwater and snowmelt that becomes tainted with acids and heavy metals from mining veins which can trickle into the region's waterways. Experts estimate there are 55,000 such abandoned mines from Colorado to Idaho to California, and federal and state authorities have struggled to clean them for decades. The federal government says 40 percent of the headwaters of Western waterways have been contaminated from mine runoff.
Last week, the Environmental Protection Agency was trying to staunch leakage from a gold mine - not worked since 1923 - high in the San Juan mountains of southern Colorado. But workers moving debris from the mine tunnel accidentally opened up the passage, leading to a million gallons of sludge spilling into a creek that carried it into the Animas River. From there the discharge headed toward the Colorado River, which provides water to tens of millions of Westerners.
"The whole acid draining issue is something we struggle with in the western United States," said Bruce Stover, the Colorado Department of Mining official in charge of dealing with abandoned mines in that state.
One of the complicating factors is money and legal liability. Cleaning up the mines is very costly, and the Clean Water Act says that anyone who contributes to pollution of a waterway can be prosecuted for a federal crime, even if they were trying to clean up pollution. That's kept environmental groups from helping the EPA treat water and tidy up mines. Groups for several years have been pushing for a federal law that would let so-called "Good Samaritan" groups help with cleanup without being exposed to legal liability.
"There's still a whole generation of abandoned mines that needs to be dealt with," said Steve Kandell of Trout Unlimited, one of the organizations backing the bill.
But the Wednesday spill from the Gold King mine shows the amount of damage that the slightest cleanup accident can inflict. The mine is one of four outside the old mining town of Silverton that have leaked heavy metals into Cement Creek, which flows into the Animas. Cement Creek is so poisoned that no fish live there and the EPA has long registered abnormal levels of acidity and heavy metals in the upper Animas that have also injured aquatic life.
Downstream, though, the Animas flows through the scenic town of Durango and is a magnet for summer vacationers, fishermen and rafters. The river turned yellow Thursday, emitting a sickening stench and sending water agencies scrambling to shut off the taps from the waterway.
The EPA apologized profusely to residents for both the accident and failing to warn anyone for the first 24 hours. During a town hall meeting in Durango on Friday, a restaurant owner asked the EPA if it would compensate businesses for lost revenue, while officials warned that the river may turn yellow again in the spring, when snowmelt kicks up the settled contaminated sediment. Thousands Of Mines With Toxic Water Lie Underground In The Western US
The history of the Gold King and its neighboring mines is also an example of the difficulty in cleaning up old waste. The EPA had initially tried to plug a leak in another mine that drained into Cement Creek, the American Tunnel, but that simply pushed more contaminated water out of the neighboring mines such as Gold King.
"In this day and age, everyone wants the quick fix, but these things take time," said Jason Willis, an environmental engineer who works with Trout Unlimited in Colorado. "These are site-specific tasks."
Stover said it was particularly galling that the Animas was contaminated by the very chemicals that environmental officials have been trying to remove from its watershed.
"It's very unfortunate," Stover said. "We've been fighting this war for years, and we've lost a battle. But we're going to win the war."
© 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.

Thousands Of Mines With Toxic Water Lie Underground

Thousands Of Mines With Toxic Water Lie Underground In The...

The Environmental Protection Agency says the mine waste spill into Colorado waters is much larger than originally estimated.
But an EPA official said Sunday that she doesn't believe wildlife will suffer significant health impacts from the wastewater from an abandoned mine in southwestern Colorado.
The agency said the amount of heavy-metal laced water that leaked from the Gold King Mine into the Animas River, turning the water a mucky orange and then yellow, is three times larger than its initial estimate.
The EPA now says 3 million gallons of wastewater spilled Wednesday and Thursday, instead of 1 million. The revision came after the EPA used a stream gauge from the U.S. Geological Survey.


[caption id="attachment_2383519" align="alignleft" width="150"]<a href="http://cff1.greenatom.net/uploads/2015/08/08113450/colorado-river-mine-sludge_1big_ap.jpg"><img class="size-thumbnail wp-image-2383519" src="http://cff1.greenatom.net/uploads/2015/08/08113450/colorado-river-mine-sludge_1big_ap-150x150.jpg" alt="Credit: AP" width="150" height="150" /></a> Credit: AP[/caption]
The agency has so far been unable to determine whether humans or aquatic life face health risks. However, EPA toxicologist Deborah McKean said the sludge moved so quickly after the spill that it would not have "caused significant health effects" to animals that consumed the water.
The discolored water from the spill stretched more than 100 miles from where it originated near Colorado's historic mining town of Silverton into the New Mexico municipalities of Farmington, Aztec and Kirtland.
The leading edge of the plume was headed toward Utah and Montezuma Creek near the town of Bluff, a tourist destination. The town, which is populated by a few hundred people, is surrounded by scenic sandstone bluffs.
Local officials were preparing to shut down two wells that serve Montezuma Creek, said Rex Kontz, deputy general manager for the Navajo Tribal Utility Authority.
To keep water flowing to homes, the residential tank in Halchita has been filled with clean water hauled 40 miles from Arizona.
Back in Colorado where the spill started, the EPA planned to meet with residents of Durango, downstream from the mine. The EPA water tests near Durango are still being analyzed.
The EPA has not said how long cleanup efforts will take. An EPA-supervised crew trying to enter the mine to pump out and treat the water caused the spill
---
Associated Press writer Lindsay Whitehurst contributed from Salt Lake City.
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EPA: Colorado Gold King Mine Spill Worse Than Expected

The Environmental Protection Agency says the mine waste spill into...

Puerto Rico Caribbean Seaweed Invasion

Mats Of Decaying Seaweed Piling Up On Caribbean Beaches. The picture-perfect beaches and turquoise waters that people expect on their visits to the Caribbean are increasingly being fouled by mats of decaying seaweed that attract biting sand fleas and smell like rotten eggs.
Clumps of the brownish seaweed known as sargassum have long washed up on Caribbean coastlines, but researchers say the algae blooms have exploded in extent and frequency in recent years. The 2015 seaweed invasion appears to be a bumper crop, with a number of shorelines so severely hit that some tourists have canceled summer trips and lawmakers on Tobago have termed it a "natural disaster." Mats Of Decaying Seaweed Piling Up On Caribbean Beaches
From the Dominican Republic in the north, to Barbados in the east, and Mexico's Caribbean resorts to the west, officials are authorizing emergency money to fund cleanup efforts and clear stinking mounds of seaweed that in some cases have piled up nearly 10 feet high on beaches, choked scenic coves and cut off moored boats.
With the start of the region's high tourism season a few months away, some officials are calling for an emergency meeting of the 15-nation Caribbean Community, worried that the worsening seaweed influx could become a chronic dilemma for the globe's most tourism-dependent region.
"This has been the worst year we've seen so far. We really need to have a regional effort on this because this unsightly seaweed could end up affecting the image of the Caribbean," said Christopher James, chairman of the Tobago Hotel and Tourism Association.
There are various ideas about what is causing the seaweed boom that scientists say started in 2011, including warming ocean temperatures and changes in the ocean currents due to climate change. Some researchers believe it is primarily due to increased land-based nutrients and pollutants washing into the water, including nitrogen-heavy fertilizers and sewage waste that fuel the blooms.
Brian Lapointe, a sargassum expert at Florida Atlantic University, says that while the sargassum washing up in normal amounts has long been good for the Caribbean, severe influxes like those seen lately are "harmful algal blooms" because they can cause fish kills, beach fouling, tourism losses and even coastal dead zones.
"Considering that these events have been happening since 2011, this could be the `new normal.' Time will tell," Lapointe said by email.
The mats of drifting sargassum covered with berry-like sacs have become so numerous in the Caribbean Sea and the Atlantic Ocean they are even drifting as far away as to West Africa, where they've been piling up fast in Sierre Leone and Ghana.
Sargassum, which gets its name from the Portuguese word for grape, is a floating brownish algae that generally blooms in the Sargasso Sea, a 2 million-square-mile (3 million-square-kilometer) body of warm water in the North Atlantic that is a major <a href="http://www.earth.com/news/beavers-create-habitats-that-support-threatened-amphibians/">habitat</a> and nursery for numerous marine species. Like coral reefs, the algae mats are critical habitats and mahi-mahi, tuna, billfish, eels, shrimp, crabs and sea turtles all use the algae to spawn, feed or hide from predators.
But some scientists believe the sargassum besieging a growing number of beaches may actually be due to blooms in the Atlantic's equatorial region, perhaps because of a high flow of nutrients from South America's Amazon and Orinoco Rivers mixing with warmer ocean temperatures.
"We think this is an ongoing equatorial regional event and our research has found no direct connection with the Sargasso Sea," said Jim Franks, senior research scientist at the University of Southern Mississippi's Gulf Coast Research Laboratory.
Whatever the reason, the massive sargassum flow is becoming a major challenge for tourism-dependent countries. In large doses, the algae harms coastal environments, even causing the deaths of endangered sea turtle hatchlings after they wriggle out of the sand where their eggs were buried. Cleanup efforts by work crews may also worsen beach erosion.
"We have heard reports of recently hatched sea turtles getting caught in the seaweed. If removal of seaweed involves large machinery that will also obviously cause impacts to the beaches and the ecosystems there," said Faith Bulger, program officer at the Washington-based Sargasso Sea Commission.
Mexican authorities recently said they will spend about $9.1 million and hire 4,600 temporary workers to clean up seaweed mounds accumulating along that country's Caribbean coast. Part of the money will be used to test whether the sargassum can be collected at sea before it reaches shore.
Some tourists in hard-hit areas are trying to prevent their summer vacations from being ruined by the stinking algae.
"The smell of seaweed is terrible, but I'm enjoying the sun," German tourist Oliver Pahlke said during a visit to Cancun, Mexico.
Sitting at a picnic table on the south coast of Barbados, Canadian vacationer Anne Alma said reports of the rotting seaweed mounds she'd heard from friends did not dissuade her from visiting the Eastern Caribbean island.
"I just wonder where the seaweed is going to go," the Toronto resident said one recent morning, watching more of mats drift to shore even after crews had already trucked away big piles to use as mulch and fertilizers.
---
Associated Press writers Carol Williams contributed from Bridgetown, Barbados and Gabriel Alcocer from Cancun, Mexico.
© 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.

Mats Of Decaying Seaweed Piling Up On Caribbean Beaches

Mats Of Decaying Seaweed Piling Up On Caribbean Beaches. The...

Thousands Of Mines With Toxic Water Lie Underground In The Western US. Beneath the western <a href="http://www.earth.com/news/how-did-covid-19-spread-so-extensively-in-the-united-states/">United States</a> lie thousands of old mining tunnels filled with the same toxic water stew that spilled into a Colorado river last week, turning it into a nauseating yellow concoction and stoking alarm about contamination of drinking water.
Though the spill into the Animas River in southern <a href="https://www.bing.com/search?q=colorado&amp;cvid=41a7450aaa6940e0a25b3b90fb285368&amp;FORM=ANAB01&amp;PC=HCTS">Colorado</a> is unusual for its size, it's only the latest instance of the region grappling with the legacy of a centuries-old mining boom that helped populate the region but also left buried toxins. Thousands Of Mines With Toxic Water Lie Underground In The Western US
Until the late 1970s there were no regulations on mining in most of the region, meaning anyone could dig a hole where they liked and search for gold, silver, copper or zinc. Abandoned mines fill up with groundwater and snowmelt that becomes tainted with acids and heavy metals from mining veins which can trickle into the region's waterways. Experts estimate there are 55,000 such abandoned mines from Colorado to Idaho to California, and federal and state authorities have struggled to clean them for decades. The federal government says 40 percent of the headwaters of Western waterways have been contaminated from mine runoff.
Last week, the Environmental Protection Agency was trying to staunch leakage from a gold mine - not worked since 1923 - high in the San Juan mountains of southern Colorado. But workers moving debris from the mine tunnel accidentally opened up the passage, leading to a million gallons of sludge spilling into a creek that carried it into the Animas River. From there the discharge headed toward the Colorado River, which provides water to tens of millions of Westerners.
"The whole acid draining issue is something we struggle with in the western United States," said Bruce Stover, the Colorado Department of Mining official in charge of dealing with abandoned mines in that state.
One of the complicating factors is money and legal liability. Cleaning up the mines is very costly, and the Clean Water Act says that anyone who contributes to pollution of a waterway can be prosecuted for a federal crime, even if they were trying to clean up pollution. That's kept environmental groups from helping the EPA treat water and tidy up mines. Groups for several years have been pushing for a federal law that would let so-called "Good Samaritan" groups help with cleanup without being exposed to legal liability.
"There's still a whole generation of abandoned mines that needs to be dealt with," said Steve Kandell of Trout Unlimited, one of the organizations backing the bill.
But the Wednesday spill from the Gold King mine shows the amount of damage that the slightest cleanup accident can inflict. The mine is one of four outside the old mining town of Silverton that have leaked heavy metals into Cement Creek, which flows into the Animas. Cement Creek is so poisoned that no fish live there and the EPA has long registered abnormal levels of acidity and heavy metals in the upper Animas that have also injured aquatic life.
Downstream, though, the Animas flows through the scenic town of Durango and is a magnet for summer vacationers, fishermen and rafters. The river turned yellow Thursday, emitting a sickening stench and sending water agencies scrambling to shut off the taps from the waterway.
The EPA apologized profusely to residents for both the accident and failing to warn anyone for the first 24 hours. During a town hall meeting in Durango on Friday, a restaurant owner asked the EPA if it would compensate businesses for lost revenue, while officials warned that the river may turn yellow again in the spring, when snowmelt kicks up the settled contaminated sediment.
The history of the Gold King and its neighboring mines is also an example of the difficulty in cleaning up old waste. The EPA had initially tried to plug a leak in another mine that drained into Cement Creek, the American Tunnel, but that simply pushed more contaminated water out of the neighboring mines such as Gold King.
"In this day and age, everyone wants the quick fix, but these things take time," said Jason Willis, an environmental engineer who works with Trout Unlimited in Colorado. "These are site-specific tasks."
Stover said it was particularly galling that the Animas was contaminated by the very chemicals that environmental officials have been trying to remove from its watershed.
"It's very unfortunate," Stover said. "We've been fighting this war for years, and we've lost a battle. But we're going to win the war."
© 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.

Mats Of Decaying Seaweed Piling Up On Caribbean Beaches. The picture-perfect beaches and turquoise waters that people expect on their visits to the Caribbean are increasingly being fouled by mats of decaying seaweed that attract biting sand fleas and smell like rotten eggs.
Clumps of the brownish seaweed known as sargassum have long washed up on <a href="http://www.earth.com/news/caribbean-king-crabs-could-be-used-to-restore-coral-reefs/">Caribbean</a> coastlines, but researchers say the algae blooms have exploded in extent and frequency in recent years. The 2015 seaweed invasion appears to be a bumper crop, with a number of shorelines so severely hit that some tourists have canceled summer trips and lawmakers on Tobago have termed it a "natural disaster."
From the Dominican Republic in the north, to Barbados in the east, and Mexico's Caribbean resorts to the west, officials are authorizing emergency money to fund cleanup efforts and clear stinking mounds of seaweed that in some cases have piled up nearly 10 feet high on beaches, choked scenic coves and cut off moored boats. Mats Of Decaying Seaweed Piling Up On Caribbean Beaches
With the start of the region's high tourism season a few months away, some officials are calling for an emergency meeting of the 15-nation Caribbean Community, worried that the worsening seaweed influx could become a chronic dilemma for the globe's most <a href="https://www.bing.com/search?q=tourism&amp;cvid=1695076f08894e29aa7e74a4b0cfae41&amp;FORM=ANAB01&amp;PC=HCTS">tourism</a>-dependent region.
"This has been the worst year we've seen so far. We really need to have a regional effort on this because this unsightly seaweed could end up affecting the image of the Caribbean," said Christopher James, chairman of the Tobago Hotel and Tourism Association.
There are various ideas about what is causing the seaweed boom that scientists say started in 2011, including warming ocean temperatures and changes in the ocean currents due to climate change. Some researchers believe it is primarily due to increased land-based nutrients and pollutants washing into the water, including nitrogen-heavy fertilizers and sewage waste that fuel the blooms.
Brian Lapointe, a sargassum expert at Florida Atlantic University, says that while the sargassum washing up in normal amounts has long been good for the Caribbean, severe influxes like those seen lately are "harmful algal blooms" because they can cause fish kills, beach fouling, tourism losses and even coastal dead zones.
"Considering that these events have been happening since 2011, this could be the `new normal.' Time will tell," Lapointe said by email.
The mats of drifting sargassum covered with berry-like sacs have become so numerous in the Caribbean Sea and the Atlantic Ocean they are even drifting as far away as to West Africa, where they've been piling up fast in Sierre Leone and Ghana.
Sargassum, which gets its name from the Portuguese word for grape, is a floating brownish algae that generally blooms in the Sargasso Sea, a 2 million-square-mile (3 million-square-kilometer) body of warm water in the North Atlantic that is a major habitat and nursery for numerous marine species. Like coral reefs, the algae mats are critical habitats and mahi-mahi, tuna, billfish, eels, shrimp, crabs and sea turtles all use the algae to spawn, feed or hide from predators.
But some scientists believe the sargassum besieging a growing number of beaches may actually be due to blooms in the Atlantic's equatorial region, perhaps because of a high flow of nutrients from South America's Amazon and Orinoco Rivers mixing with warmer ocean temperatures.
"We think this is an ongoing equatorial regional event and our research has found no direct connection with the Sargasso Sea," said Jim Franks, senior research scientist at the University of Southern Mississippi's Gulf Coast Research Laboratory.
Whatever the reason, the massive sargassum flow is becoming a major challenge for tourism-dependent countries. In large doses, the algae harms coastal environments, even causing the deaths of endangered sea turtle hatchlings after they wriggle out of the sand where their eggs were buried. Cleanup efforts by work crews may also worsen beach erosion.
"We have heard reports of recently hatched sea turtles getting caught in the seaweed. If removal of seaweed involves large machinery that will also obviously cause impacts to the beaches and the ecosystems there," said Faith Bulger, program officer at the Washington-based Sargasso Sea Commission.
Mexican authorities recently said they will spend about $9.1 million and hire 4,600 temporary workers to clean up seaweed mounds accumulating along that country's Caribbean coast. Part of the money will be used to test whether the sargassum can be collected at sea before it reaches shore.
Some tourists in hard-hit areas are trying to prevent their summer vacations from being ruined by the stinking algae.
"The smell of seaweed is terrible, but I'm enjoying the sun," German tourist Oliver Pahlke said during a visit to Cancun, Mexico.
Sitting at a picnic table on the south coast of Barbados, Canadian vacationer Anne Alma said reports of the rotting seaweed mounds she'd heard from friends did not dissuade her from visiting the Eastern Caribbean island.
"I just wonder where the seaweed is going to go," the Toronto resident said one recent morning, watching more of mats drift to shore even after crews had already trucked away big piles to use as mulch and fertilizers.
---
Associated Press writers Carol Williams contributed from Bridgetown, Barbados and Gabriel Alcocer from Cancun, Mexico.
© 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 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 the <a href="https://www.esa.int/">European Space Agency</a> features Nushagak Bay, a large estuary in southwest Alaska. Nushagak runs mainly north to south and exits in Bristol Bay, a large body of water in the Bering Sea.



"The bay is primarily fed by the Nushagak River, which begins in the Alaska Range and flows southwest approximately 450 km. The bay is also fed by several additional rivers including the Wood, Igushik, Snake and Weary rivers," says ESA.



"The dark colors of the Nushagak River are most likely due to tannins or lignins (chemical substances found in plants). Tannins and lignins from roots, leaves, seeds, bark and soil can leach into the water and give it a brown or even black colour. The sediments then flow southwards where it is mixed with the bluer waters of the bay."



Video/ Image Credit: ESA



---



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

Nushagak Bay in southwest Alaska

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Today's Video of the Day from the <a href="https://www.acs.org/">American Chemical Society</a> (ACS) reveals that proteins on flu viruses are actually flexible, tilting and waving in a “breath-like” motion. According to the experts, these proteins could be used to better defend against the flu.



"The main antigenic targets of influenza virus are two surface glycoproteins, hemagglutinin (HA) and neuraminidase (NA). Whereas the structural and dynamical properties of both glycoproteins have been studied previously, the understanding of their plasticity in the whole-virion context is fragmented," wrote the researchers.



To investigate, the team conducted detailed simulations of the influenza A H1N1 virion, or the swine flu. The experts concluded that the visualizations show many new vulnerable states of flu viruses, which could improve future vaccines and antiviral drugs.



Video/ Image Credit: American Chemical Society&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.

Flu viruses are more flexible than expected

[sendtonews key="G9bUoxcjr4-2511624-12187" type="single"] Today's Video of the Day from the...

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Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> features Lake Trasimeno, which is located west of Perugia in central Italy. It is the fourth largest lake in the country. While Trasimeno’s water level varies, it has a maximum depth of approximately six meters.&nbsp;



"In this Copernicus Sentinel-2 image, captured on 6 August 2022, the lake’s emerald green colour is likely due to the presence of phytoplankton. Streaks in the water, particularly visible in the west, indicate the presence of soil and sediments which have been stirred up by winds. Dark colored waters in the southern part of the lake indicate a presence of submerged and floating macrophytes (aquatic plants) as well as algae," says ESA.



"Surrounded by hills on three sides, Trasimeno is subject to heavy storms created by winds, especially from the north and west. There are three islets in the lake: Maggiore, Minore and Polvese (the largest). The lake’s shores are sparsely inhabited with only two popular villages: Castiglione del Lago and Passignano sul Trasimeno."



"Italy is experiencing its worst drought in 70 years which has affected drinking water supplies, hydroelectric power and agricultural production. High temperatures, hot winds and lack of rainfall are the main causes of drought in the Umbrian region which saw Lake Trasimeno’s drop 1.3 m, reaching the limit of the hydrometric zero in July 2022."



Video/Image Credit: ESA&nbsp;



---



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

Lake Trasimeno in Central Italy

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Today's Video of the Day from the <a href="https://www.acs.org/">American Chemical Society</a> describes a new self-powered nanosensor that can instantly detect mercury contamination with the tap of a finger.&nbsp;



The oxidized form of mercury can be harmful when it is ingested through contaminated water or food. This makes it necessary for experts to develop sensors that can quickly and accurately detect the presence of mercury.&nbsp;



Zong-Hong Lin and colleagues have now created a triboelectric nanosensor (TENS) that can detect mercury by simply by touching a sample. According to the researchers, their TENS could serve as the basis for similar devices to safely and remotely monitor other pollutants.



Video Credit: American Chemical Society&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.

Detecting mercury contamination with the tap of a finger

[sendtonews key="LvS8v8bp9z-2564889-12187" type="single"] Today's Video of the Day from the...

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Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> features Kainji Lake, a reservoir on the Niger River.



In 1968, Kainji Lake was created by the construction of the Kainji Dam. The Niger River, the third longest in Africa, enters the lake in the north.&nbsp;



According to <a href="https://www.earth.com/news/rivers-in-the-american-west-are-a-lifesaving-resource-for-birds/">ESA</a>, the creation of the lake submerged Foge Island and the town of Bussa and permanently flooded other riverine settlements, leaving around 50,000 people displaced.&nbsp;



Large parts of Foge Island are temporarily exposed during low water tides, and the land is often used by migrating fishermen. Kainji Dam is a dam across the Niger River in Niger State of Central Nigeria. 



Wild mammals occur at relatively low densities due to illegal hunting. Lake Kainji has suffered a dramatic decline as a fishery due to the high numbers of artisanal and subsistence fisherfolk using the lake. It has been suggested that a period of closure, together with controlled fishing rights may help improve fish stocks.



Kainji Lake National Park is the oldest of its kind in Nigeria. The park contains three distinct areas: a part of the Kainji Lake, the Borgu Game Reserve to the west of the lake, and the Zugurma Game Reserve to the southeast. The park is home to around 65 mammal species, 350 bird species, and 30 species of reptiles and amphibians. 



Video/ Image Credit: European Space Agency&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.

Kainji Lake in north central Nigeria

[sendtonews key="iuA5mpp3jv-1641775-12187" type="single"] Today’s Video of the Day from the...

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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



---



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 the <a href="https://www.acs.org/">American Chemical Society</a> explores the ability of salt to transform the way that foods and beverages taste. Salt is known to cover up undesirable flavors, such as bitterness in coffee or beer, but how exactly does sodium chloride change the taste of other compounds?



One previous study showed that, not only does salt suppress bitterness, but also enhances sweetness and sourness. Another study revealed that bitterness reduction by salt seems to be happening at the tongue receptor level as well as in the brain.&nbsp;



While it is known that salt taste is mediated by the presence of sodium channels in the form of taste buds, experts believe that there is also an unknown receptor responsible for how we taste salt that has not yet been identified.&nbsp;



Video Credit: ACS Reactions



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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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How does salt makes things taste better?

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Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> features Santiago, the capital city of Chile. The city is located in the center of the Santiago Metropolitan Region, which has a population of about eight million people.&nbsp;



'The weather of Santiago resembles the Mediterranean climate with dry and warm summers with temperatures reaching up to 35°C (from October to March) and cool and humid winters that can drop to 0°C (from April to September)."



"The city lies in the centre of the country’s central valley around 80 km from the Pacific Ocean to the west and borders Argentina to the east. A tiny part of Argentina is visible in the top-right corner of the image where the mountain crest of the Andes Mountains acts as a divider between the two countries," says ESA.



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



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Santiago, Chile in South America

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Spiral,Galaxy,,Illustration,Of,Milky,Way

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Astronomers at <a href="https://www.jhu.edu/">Johns Hopkins University</a> have created an interactive map of the universe, including the actual position and real colors of 200,000 galaxies. The map allows the public to access data that was previously only available to scientists.



The map was developed using data collected by the Sloan Digital Sky Survey. For over two decades, a telescope in New Mexico was aimed at slightly different locations to capture the night sky.&nbsp;



"Growing up I was very inspired by astronomy pictures, stars, nebulae and galaxies, and now it's our time to create a new type of picture to inspire people," said map creator Brice Ménard, a professor at Johns Hopkins. "Astrophysicists around the world have been analyzing this data for years, leading to thousands of scientific papers and discoveries. But nobody took the time to create a map that is beautiful, scientifically accurate, and accessible to people who are not scientists. Our goal here is to show everybody what the universe really looks like."



"In this map, we are just a speck at the very bottom, just one pixel. And when I say we, I mean our galaxy, the Milky Way which has billions of stars and planets. We are used to seeing astronomical pictures showing one galaxy here, one galaxy there or perhaps a group of galaxies. But what this map shows is a very, very different scale."



"From this speck at the bottom, we are able to map out galaxies across the entire universe, and that says something about the power of science."



The <a href="https://mapoftheuniverse.net/">interactive map</a> is available online, where it can be downloaded for free.



Video Credit: Johns Hopkins&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.

Interactive map of the universe includes 200,000 galaxies

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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



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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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Today's Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> features Dublin, the capital and largest city of Ireland. Beyond its pub culture, Dublin is known as a modern culinary destination and a UNESCO City of Literature.



"Dublin is located near the midpoint of Ireland’s east coast in the province of Leinster. The city, which covers an area of around 115 square kilometers, is bordered by the Dublin Mountains, a low mountain range to the south, and is surrounded by flat farmland to the north and west," says ESA.



"The city straddles the River Liffey, which rises in the Wicklow Mountains and flows around 80 kilometers eastwards through the city of Dublin, in which it is canalised and bordered with quays. It then empties into Dublin Bay, an arm of the Irish Sea."



Dublin has an abundance of green spaces, including one of the largest enclosed public parks in any European capital city. Phoenix Park, which was originally formed as a royal hunting park in the 1660s, includes 707 hectares of green space.



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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The city of Dublin on Ireland's east coast

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Today's Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> features the province of Zaragoza in northeast Spain. The image was captured by the Copernicus Sentinel-2 mission.



"Together with the provinces of Huesca and Teruel, Zaragoza formed the old kingdom of Aragon. Its capital, also called Zaragoza (not visible in this image) is home to around half of Aragon’s population," says ESA.



"The Ebro River can be seen winding its way through the province from west to east in this image. Between its source in the Cantabrian Mountains in the northwest and its delta on the Mediterranean coast, the Ebro River is fed by more than 200 tributaries as it flows 910 km across much of northern Spain."



Since rainfall is very scarce in this region, irrigation in the Ebro basin is critically important. In the valleys surrounding the Ebro River, many fields are used for growing crops such as corn, wheat, and barley.



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.

The province of Zaragoza in northeast Spain

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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

[sendtonews key="0879czfG3k-1785905-12187" type="single"] Today’s Video of the Day from NASA...

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Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> features the Pyrenees Mountains, which form a natural boundary between France and Spain in southwest Europe.



The mountain range is 430 kilometers in length. It stretches from the Mediterranean Sea on the east to the Atlantic Ocean on the west.



At an elevation of 3404 meters, Pico de Aneto is the highest mountain peak in the Pyrenees, and the third-highest peak in Spain. Pico de Aneto is located in the Posets-Maladeta Natural Park, which spans more than 82,000 acres.&nbsp;



"Geological studies have revealed that the Pyrenees Mountains have been around for longer than the Alps, with their sediments first deposited in coastal basins during the Paleozoic and Mesozoic eras," reports ESA.



"The entire mountain range formed due to the upwelling of large sedimentary rocks by the collision of the Iberian and the Eurasian plate around 100 to 150 million years ago, followed by intense erosion from ice and water."



The western Pyrenees receive more precipitation due to moisture blowing in from the Atlantic Ocean. The mountain range contains many lakes, several small glaciers, and some of the highest waterfalls in Europe.



Video &amp; 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



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The Pyrenees Mountains in southwest Europe

[sendtonews key="6HyfrAJTBI-1831843-12187" type="single"] Today’s Video of the Day from the...

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Today’s Video of the Day from <a href="https://www.stowers.org/">Stowers Institute for Medical Research</a> describes why experts are studying zebrafish to gain a better understanding of how the immune system responds to injury. Zebrafish have the ability to repair and regenerate organs.



“Organ regeneration offers an exciting opportunity for studying the immune system and to inquire why some species can regenerate organs like the heart or missing limbs while others like humans cannot,” explained Dr. Tatjana Piotrowski.



Zebrafish sensory organ hair cells are an ideal system to investigate the pathways and cell types involved in regeneration since they are easily destroyed with antibiotics and begin regenerating within five hours. This enabled the researchers to identify the exact timing and genetic programs for each anti-inflammatory macrophage activation state.&nbsp;



“Our hypothesis is that human macrophages do not receive the proper chemical activation 'cocktail' to instruct pro-regenerative processes,” said Dr. Nicolas Denans. “Identifying the molecular recipe of macrophage activation in zebrafish may one day enable us to design regenerative immunotherapies in humans.”&nbsp;&nbsp;&nbsp;



“The new evidence is a valuable resource for comparative studies on the genetic programs involved in macrophage-mediated repair and regeneration. In other words, different types of injuries may induce different kinds of inflammatory responses. We want to decipher whether this 'language' is universal or if there are a variety of dialects."



Video Credit: Stowers Institute for Medical Research&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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How the immune system responds to injury

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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



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2022 illustrated the consequences of a warming climate

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Earth,Like,Exoplanet,3d,Render

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Today's Video of the Day from <a href="https://www.nasa.gov/goddard">NASA Goddard</a> describes two exoplanets that are orbiting a star 218 light-years away. A team of researchers led by the University of Montreal has found evidence that these planets are "water worlds."



The experts used data from NASA’s Hubble and Spitzer Space Telescopes. They discovered that exoplanets Kepler-138 c and Kepler-138 could be composed largely of water.



"We previously thought that planets that were a bit larger than Earth were big balls of metal and rock, like scaled-up versions of Earth, and that's why we called them super-Earths," explained study co-author Björn Benneke.&nbsp;



"However, we have now shown that these two planets, Kepler-138 c and d, are quite different in nature and that a big fraction of their entire volume is likely composed of water. It is the best evidence yet for water worlds, a type of planet that was theorized by astronomers to exist for a long time."



Video Credit: NASA Goddard



Image Credit: NASA, ESA, and Leah Hustak (STScI)



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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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Two distant planets may be "water worlds"

[sendtonews key="QIoVYJqRBi-2434608-12187" type="single"] Today's Video of the Day from NASA...

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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...

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