Los Angeles Mayor Eric Garcetti launched a "Save the Drop" campaign on Thursday, seeking to rally residents of California's most populous city behind water-saving measures in the face of a devastat

(Reuters) - California on Wednesday moved to tighten already stringent regulations on how much water can flow through toilets and faucets, part of the state's effort to respond to prolonged drought

February water conservation numbers are devastating -- 2.8%, down from 8% in January
'The gentle nudge is no longer sufficient,' state water official says

California Governor Jerry Brown ordered business and residents to cut water use by 25% last week, but tech-giants in Silicon Valley need to do even more, according to one expert.

A day after California imposed mandatory water restrictions to battle a four-year drought, a new study on global warming suggests the worst is yet to come.

The severe California drought that has led the state to order cutbacks in water use may not have been set off by climate change, scientists say, but global warming is making the situation worse.

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California is suffering from "second-hand smog" drifting in from Asia and other places, researchers said on Tuesday, even as the state's prolonged drought has made air quality worse.

California Governor Jerry Brown signed emergency legislation on Friday that fast-tracks over $1 billion in funding for drought relief and water infrastructure within the parched state.

Experts say fix requires global effort going into an era of climate change in which ‘the temperature is essentially always conducive to drought’