The US oil blockade is forcing Cubans to think outside the box for tasks that usually require electricity. Farmers pasteurize milk over charcoal fires, commuters ride solar-powered Chinese tricycles, ...
Arizona is also exploring a desalination exchange with California. Water from the Carlsbad plant currently costs the San ...
The cuts in Colorado River water use just approved by the U.S. government will not be as big as they seem — because in some ...
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