Associated Press: Vermont U.S. Sen. Bernie Sanders says the warmest year on record in the United States and in Vermont has persuaded him it's time to get serious about climate change.
The independent lawmaker says he plans to introduce legislation that would include a tax on greenhouse gas emissions from the biggest polluters, more money for energy efficiency and clean energy research and development.
He says the measure also would end tax breaks and subsidies for fossil fuels.
Sanders' announcement follows...