Gov. Jerry Brown extended the nation’s most ambitious climate change law Thursday by another 10 years as California charts a new goal to reduce carbon pollution. The Democratic governor signed the legislation in a Los Angeles park amid opposition from the oil industry, business groups and Republicans. It expands on California’s landmark 2006 law, which set a target of reducing greenhouse gas emissions to 1990 levels by 2020. The state is poised to meet or exceed that benchmark, with steps including restricting the carbon content of gasoline and diesel fuel, encouraging sales of zero-emission vehicles and imposing a tax on pollution, Brown said. The new law goes further, aiming to reduce emissions 40 percent below 1990 levels by 2030, which the governor called the most aggressive target enacted by any government in North America. Brown, who has traveled the world promoting greenhouse-gas […]