For National Park Service fisheries biologist Jeff Arnold, it was a moment he'd been dreading. Bare-legged in sandals, he was pulling in a net in a shallow backwater of the lower Colorado River last week, when he spotted ...
Ecology
Jul 6, 2022
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10
In the 15 years since Adam Dailey began boating on Lake Mead, the shoreline has receded hundreds of meters, the result of more than two decades of punishing drought that is drying out the western United States.
Environment
Jul 3, 2022
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67
China's dams along the Upper Mekong, or Lancang, are often blamed as the main cause of recent droughts in the downstream regions. Yet, it is challenging to corroborate these claims, since China has not been releasing detailed ...
Earth Sciences
May 31, 2022
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17
In a stopgap measure to help struggling spring- and winter-run Chinook salmon spawn in the face of rising water temperatures and lower water levels due to climate change, state and federal wildlife officials in Northern California ...
Ecology
May 20, 2022
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7
After years of severe drought compounded by climate change, the water level in Lake Powell, the second-largest reservoir on the Colorado River, has dropped to just 24% of full capacity and is continuing to decline to levels ...
Earth Sciences
May 4, 2022
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33
Tumbleweeds drift along the Rio Grande as sand bars within its banks grow wider. Smoke from distant wildfires and dust kicked up by intense spring winds fill the valley, exacerbating the feeling of distress that is beginning ...
Environment
Apr 14, 2022
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15
After decades of drought, water levels in Lake Powell, the second-largest human-made reservoir in the United States, have shrunk to its lowest level since it was created more than 50 years ago, threatening millions of people ...
Planetary Sciences
Apr 11, 2022
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8
Ethiopia began generating electricity from its mega-dam on the Blue Nile on Sunday, a milestone in the controversial multi-billion dollar project.
Environment
Feb 20, 2022
2
81
It's no accident that both the Massachusetts Institute of Technology and the California Institute of Technology claim the beaver (Castor canadensis) as their mascots. Renowned engineers, beavers seem able to dam any stream, ...
Plants & Animals
Jan 21, 2022
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48
Big cats are among the most widespread top predators on Earth. Lions stalk zebra in the African savanna, tigers ambush antelope in the forests of Asia and jaguars hunt deer in the jungles of South America. They play an important ...
Plants & Animals
Dec 17, 2021
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