Tailings and acid mine drainage from mines contain critical minerals needed for clean energy technologies. Now, researchers are developing new techniques for retrieving these key metals, which could reduce the need for new mines and help clean up pollution at old mining sites.
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Oceans
Sea Star Murder Mystery: What’s Killing a Key Ocean Species?
Billions of sea stars, victims of a deadly wasting illness, have perished over the last decade, imperiling marine ecosystems and spurring a global hunt for a biological or environmental culprit. Recently, researchers identified a likely suspect, but the case is far from closed.
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Solutions
Plagued by Flooding, an African City Reengineers Its Wetlands
As climate change and urbanization intensify flooding in Rwanda, the capital of Kigali has embraced nature-based solutions. The city is restoring and reshaping 18,000 acres of degraded wetlands, planting native species to filter and slow runoff, and enhancing biodiversity.
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WATER
After Ruining a Treasured Water Resource, Iran Is Drying Up
Iran is looking to relocate the nation’s capital because of severe water shortages that make Tehran unsustainable. Experts say the crisis was caused by years of ill-conceived dam projects and overpumping that destroyed a centuries-old system for tapping underground reserves.
FILM
At a Marine Field Station, Rising Seas Force an Inevitable Retreat
The scientists at a New Jersey marine station are conducting a sobering experiment: monitoring the destruction of their facility from rising waters. Oscar-winning filmmaker Thomas Lennon shows how the researchers are working to produce useful science before they must leave.
E360 Digest
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Much of the World Facing 'Water Bankruptcy,' U.N. Report Warns
Around the world, people are drawing down reserves of fresh water faster than they can be replenished. The heedless consumption of water, combined with worsening drought globally, has ushered in an era of "water bankruptcy," according to a dire new U.N. report. More about Much of the World Facing 'Water Bankruptcy,' U.N. Report Warns →
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Urban Greenery Is Making Some Cities Hotter, Study Finds
As urban planners look to expand green spaces to help cool cities, a new study finds that, in arid regions, grassy areas can actually have a warming effect. More about Urban Greenery Is Making Some Cities Hotter, Study Finds →
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A.I. Is Keeping Aging Coal Plants Online
Energy-hungry data centers have been a lifeline for ailing U.S. coal plants, analysts say. More about A.I. Is Keeping Aging Coal Plants Online →
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WILDLIFE
A Troubling Rise in the Grisly Trade of a Spectacular African Bird
Researchers are finding a disturbing uptick in the trade of African hornbills and their body parts in West African voodoo markets and globally on the internet. Conservationists want international protections for these birds, which play a key role in Africa’s forest ecosystems.
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Energy
To Feed Data Centers, Pennsylvania Faces a New Fracking Surge
A rash of data centers planned for western Pennsylvania has residents and environmentalists on edge. The sprawling complexes will be powered by plants that burn fracked natural gas, whose production has caused air and water pollution in the region and has known health risks.
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SPACE
Scientists Warn of Emissions Risks from the Surge in Satellites
With hundreds of satellites launched each year and tens of thousands more planned, scientists are increasingly concerned about an emerging problem: emissions from the fuels burned in launches and from the pollutants released when satellites and rocket stages flame out on reentry.
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MINING
In Myanmar, Illicit Rare Earth Mining Is Taking a Heavy Toll
As China has cut back on domestic extraction of rare earth minerals, uncontrolled mining in Myanmar has boomed in areas ruled by powerful ethnic armies. New reporting reveals how this activity is damaging water supplies, forests, and the health of workers and communities.
Living With Wildlife
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As Jaguars Recover, Will the Border Wall Block Their U.S. Return?
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Despite Criticism, the Last of the Rattlesnake Roundups Hang On
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As Wolf Populations Rebound, an Angry Backlash Intensifies
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Octopuses Are Highly Intelligent. Should They Be Farmed for Food?
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Deadly Encounter: Mountain Lion Attacks Spark Controversy