California Extends Most Ambitious US Climate Change Law

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LOS ANGELES (AP) — California Gov. Jerry Brown extended the nation’s most ambitious climate change law by another 10 years on Thursday, charting a new goal to reduce carbon pollution.

Brown chose an urban natural park on the edge of downtown Los Angeles as his setting to sign the legislation into law on Thursday.

The legislation is a priority for Brown. It expands on California’s landmark 2006 law, which set the goal of reducing greenhouse-gas emissions to 1990 levels by 2020.

The new measure sets a new goal of reducing emissions 40 percent below 1990 levels by 2030.

The Democratic governor calls that the most aggressive target enacted by any government in North America.

Brown is also set to sign another piece of legislation that provides more oversight of the appointed Air Resources Board, which implements the law.