World's ageing big dams pose 'emerging risk': UN
By 2050, more than half the global population will live downstream from tens of thousands of large dams near or past their intended lifespan, according to a UN report released Friday.
By 2050, more than half the global population will live downstream from tens of thousands of large dams near or past their intended lifespan, according to a UN report released Friday.
Environment
Jan 22, 2021
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More than 1.2 million barriers criss-cross Europe's rivers—nearly twice as many as previously thought—threatening some of the world's most diverse ecosystems, new research showed Wednesday.
Environment
Dec 16, 2020
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An agreement announced Tuesday paves the way for the largest dam demolition in U.S. history, a project that promises to reopen hundreds of miles of waterway along the Oregon-California border to salmon that are critical to ...
Environment
Nov 18, 2020
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A pair of researchers with the National Institute for Research in Amazonia has posted an open letter in the journal Science warning of the negative repercussions of resuming paving of a road through a part of the Amazon. ...
The U.S. government announced Friday that four huge dams on the Snake River in Washington state will not be removed to help endangered salmon migrate to the ocean.
Ecology
Jul 31, 2020
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Ethiopia said this week it had hit its first-year target for filling the Grand Ethiopian Renaissance Dam, a concrete colossus 145 metres (475 feet) high that has fuelled tensions with downstream nations for nearly a decade.
Environment
Jul 24, 2020
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The boat edged as close as possible to the deafening surge of water roaring over Murchison Falls, giving tourists a hair-raising shot of one of Africa's awesome and terrifying natural spectacles.
Environment
Jun 10, 2020
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The survival and eventual return of juvenile Snake River salmon and steelhead to spawning streams as adults depends more on their size than the way they pass through hydroelectric dams on their migration to the ocean, new ...
Ecology
Nov 25, 2019
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Thousands of hydroelectric dams are under construction around the world, mainly in developing countries. These enormous structures are one of the world's largest sources of renewable energy, but they also cause environmental ...
Environment
May 17, 2019
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Brazil is home to more than half of the world's plant and animal species, but its ecological paradises are facing growing threats from agriculture and mining lobbies who have found a champion in far-right President Jair Bolsonaro, ...
Environment
May 02, 2019
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