The proposal under the Clean Air Act to cut carbon pollution from existing power plants is seen before a news conference in Washington June 2, 2014. President Barack Obama will unveil on Monday the final version of his plan to tackle greenhouse gases from coal-fired power plants as he aims to cement his legacy on climate change, a senior administration official said. The revised Clean Power Plan will seek to slash carbon emissions from the power sector 32 percent from 2005 levels in 2030, a 9 percent increase over a previous proposal. The regulation will usher in a sweeping transformation of the U.S. electricity sector, encouraging an aggressive shift toward more renewable energy away from coal-fired electricity. Industry groups and some lawmakers from states that have relied on coal-based energy have said they will challenge it in the courts and through Congressional maneuvers, accusing the administration of a regulatory […]