Historic drought threatens Brazil's economy
The worst drought in nearly a century to hit two key regions in Brazil is wreaking havoc on hydroelectric dams and crops—and threatening the nascent pandemic recovery of Latin America's biggest economy.
The worst drought in nearly a century to hit two key regions in Brazil is wreaking havoc on hydroelectric dams and crops—and threatening the nascent pandemic recovery of Latin America's biggest economy.
Environment
Jun 9, 2021
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53
Pharmaceuticals—drugs used to prevent or treat human and animal diseases—are essential for health and well-being. But the increasing use of these drugs means that remnants of them are showing up in the aquatic environment. ...
Environment
Jun 9, 2021
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1
Early in the morning on Dec. 13, 1941, the citizens of Huaraz, Peru, heard a terrifying rumble echo across the valley. Within minutes, a torrent of water, ice and rocks had poured over the city, destroying a third of it and ...
Environment
Jun 7, 2021
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1
After good summer rains, the dams that supply water to Johannesburg and much of South Africa's economic heartland are full. This, then, is the time to start worrying about water supplies.
Environment
May 25, 2021
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8
Among other things, dams serve as reservoirs for drinking water, agricultural irrigation, or the operation of hydropower plants. Until now, it had been assumed that dams act as net carbon stores. Researchers from the Helmholtz ...
Earth Sciences
May 13, 2021
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55
Machine learning could provide up an extra hour of warning time for debris flows along the Illgraben torrent in Switzerland, researchers report at the Seismological Society of America (SSA)'s 2021 Annual Meeting.
Earth Sciences
Apr 22, 2021
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8
The man-made lakes that store water supplying millions of people in the U.S. West and Mexico are projected to shrink to historic lows in the coming months, dropping to levels that could trigger the federal government's first-ever ...
Environment
Apr 18, 2021
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48
China is planning a mega dam in Tibet able to produce triple the electricity generated by the Three Gorges—the world's largest power station—stoking fears among environmentalists and in neighbouring India.
Environment
Apr 11, 2021
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468
Some large dams are having a serious impact on downstream platypus populations, an extensive three-year study by UNSW scientists has found.
Plants & Animals
Mar 19, 2021
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547
A study by Monash scientists has found that a rare earth affects the fate of a key reaction with copper, gold, silver, and uranium mineralisation.
Earth Sciences
Mar 5, 2021
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