A damaged spillway with eroded hillside (right) is seen in an aerial photo taken over the Oroville Dam in Oroville, California, US on Sunday. Photograph: Reuters

Nearly 200,000 people living downstream from the tallest dam in the US were ordered to evacuate their homes on Sunday because an overflow channel appe(...)

California governor Jerry Brown ordered the state’s first mandatory water cuts on April 1st, the day when the annual measurement of the Sierra Nevada snowpack, which is critical to the state’s water supply, had nothing to measure. Photograph: Michael Nelson/EPA

Rarely has a measuring stick proven so effective at making a point. It was April Fool’s Day but this was no joke. Frank Gehrke, chief snow surveyor at(...)