How do scientists monitor the populations of the threatened California red-legged frog? With careful listening and a little help from AI.
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Colorado's booming urban population flipped the state from red to blue, allowing a referendum on reintroducing wolves to pass. But that growing population now may be too big for them to thrive.
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The Indigenous Achuar people in Ecuador's Amazon rainforest sail in six solar-powered canoes. And it's not just to save money on fuel — the trees of the rainforest will benefit too.
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New EPA rules require oil and gas companies to slash climate-changing methane from their operations.
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Much of the state's water supply comes from snow that falls in the mountains during the winter and enters the watershed as it melts through spring.
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"It's a trillion tons of ice," as one expert told NPR. Now the largest iceberg in the world, A23a, is on the move after decades of being grounded on the seafloor.
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Between its polarizing polygonal design and plenty of production hiccups, the Cybertruck has had a long and rocky road to release. Its fate on the electric pickup market remains unclear.
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The San Diego Humane Society is trying to learn who abandoned two horses last week in the Tijuana River Valley Regional Park. One of the animals did not survive.
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After the U.S. lifted its sanctions, Venezuela is trying to revive its beleaguered oil industry. But ramping up production is causing more oil spills.
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Crews with rail operator CSX and Kentucky officials are working to remove train cars and spilled material at the site of a derailment that sparked a chemical fire and prompted home evacuations.
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Last week, the city adopted new guidelines meant to encourage more residents to install rain collection devices.
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