California governor signs law for clean energy by 2045 – BBC News
California is the second US state after Hawaii to commit to carbon-free energy.
Were it to be an independent country, California would have the fifth largest economy in the world, trailing only Germany, Japan, China and the US.
At a signing ceremony in the state capital Sacramento, Mr Brown vowed to meet the terms of the Paris agreement and to “continue down that path to transition our economy to zero carbon emissions”.
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Under the terms of the legislation, all utility companies must get 60% of their energy from renewable sources by 2030.
By 2045, all Californian electricity must come from carbon-free or renewable energy.