One of the world's most precious resources is being used up more rapidly than it can be replaced. Continue reading →
Tree rings suggest that California's dwindling snowpack is truly epic.
Only about a quarter of precipitation ends up in the oceans. Where does the rest go? Continue reading →
An engine powered by evaporation is made from bacterial spores that can lift more than 50 times their own weight.
Low-cost design could help farmers in Ethiopia maintain self-sufficient agriculture.
Artists will overlay the path of hidden creeks and arroyos on San Francisco's city streets, in a nod to waterways that used to run through nearly every valley in the city.
About 96 percent of the four-lake water complex that feeds Metropolitan Sao Paulo, home to 20 million, has been used up.
The Aral Sea is just one of several iconic inland bodies of water across the world that is now receding drastically. Continue reading →
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