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After studying various species earlier this month, some scientists now say they understand the origin of animal behavior during solar eclipses.
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Fifteen years after the EPA said greenhouse gasses are a danger to public health, the agency finalized rules to limit climate-warming pollution from existing coal and new gas power plants.
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The National Park Service is seeking the public's help in identifying the two men, caught on video pushing rocks off a cliff near the Redstone Dunes Trail earlier this month.
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We visit an orchard where researchers are breeding Chestnut trees they hope will one day fight off a fungus that's been killing the iconic American tree for more than a century.
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Half of the Great Salt Lake in Utah has now dried up but scientists say there's still some time left to reverse its decline.
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Akagera National Park in eastern Rwanda was hard hit by the violence of the country's genocide. For a time, the park floundered — but it's now flourishing.
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Japan is giving the U.S. 250 new cherry trees to help replace the hundreds that are being ripped out this summer as construction crews work to repair the seawall around the capital's Tidal Basin.
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NPR's Ari Shapiro talks with Ali Zaidi, President Biden's national climate advisor, about the first ever national standards on the amount of PFAS in drinking water.
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The Environmental Protection Agency tightens standards for air pollution coming from more than 200 chemical plants in the U.S.
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A new EPA rule will force hundreds of chemical plants to limit emissions of two carcinogenic pollutants, ethylene oxide and chloroprene. The rule will affect factories in Texas and Louisiana.
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Research into new pharmaceuticals has produced an unanticipated by-product: Petunias that glow in the dark
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NPR's Ayesha Rascoe speaks with Jay Woiderski, President of the Black Lake Chapter of Sturgeon For Tomorrow, about their volunteer Sturgeon Guard program.