Drought forces water use rethink in Spain

Faced with a historic drought and threatened by desertification, Spain is rethinking how it spends its water resources, which are used mainly to irrigate crops.

How the world's rivers are changing

The way rivers function is significantly affected by how much sediment they transport and where it gets deposited. River sediment—mostly sand, silt, and clay—plays a critical ecological role, as it provides habitat for ...

How hydropower dams impact the communities they're built in

Over the last two decades, almost 1,000 hydropower dams have been built around the globe. And while these dams provide many benefits to farmers, wildlife and the climate, the costs of their construction on local communities ...

Dams fuel malaria cases in Africa

While dams are critical to ensuring water and food security throughout Sub-Saharan Africa, small dams in particular pose a greater risk of malaria transmission, a study says.

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.

Aging dams pose growing threat: UN

By 2050, most people on Earth will live downstream of tens of thousands of large dams built in the 20th century, many of them already operating at or beyond their design life, according to a UN University analysis.

Researchers announce extinction of the Chinese paddlefish

The new decade 2020 began with the sad announcement that another species is now extinct—the Chinese Paddlefish (Psephurus gladius), a close relative of the sturgeon family. A paper by Chinese scientists concluded (based ...

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