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.

Carbon emissions from dams considerably underestimated so far

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 ...

Can machine learning improve debris flow warning?

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.

US West prepares for possible 1st water shortage declaration

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 ...

China's plans for Himalayan super dam stoke fears in India

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.

page 13 from 40