New legislation to force fuel suppliers to provide more biofuels, hydrogen and electric ccharging stations
State of Emergency ruling followed by water bill price hikes and new restricted use measures as drought continues to bite
California launches new Green Corps scheme to provide young unemployed people with green-collar training opportunities
New legislation could introduce extended producer responsibility to Californian firms
Water rationing on the cards as part of wide-ranging plan to tackle three-year drought
One of the world's largest ever solar deals could see seven solar thermal plants provide enough power for almost a million homes
New US energy chief warns climate change droughts could destroy California's agricultural industry, as scientist predicts sea level rises could be higher than expected
President argues tighter fuel-efficiency standards could save the US "nearly the entire amount of oil that we import from the Persian Gulf"
New president calls on EPA to reconsider California's request for right to set tighter vehicle emissions rules
California governor writes to Obama calling for reversal of Bush's decision to block tighter rules on vehicle emissions