California takes major step toward 100 per cent clean energy use

California has taken a big step towards a sustainable energy future with the approval of a bill that will require the state to run 100 per cent on renewable energy sources.The bill still needs approval in the state Senate and the signature of Governor Jerry Brown, but it would require the state to shift to all clean energy sources by 2045, boosting the local wind and solar energy economies.The legislation marks an ambitious goal for a state that has led the climate change charge in the wake of P