One recent story from the UCS Fall 2015 Earthwise newsletter covers scientific analysis of current progress by states toward meeting the national Clean Power Plan goals, with some quite surprising, positive developments that have happened already:

As the nation’s Clean Power Plan moves into action, requiring power plants to lower their global warming emissions, there’s a lot of misinformation out there—including a good deal funded by fossil fuel interests. But UCS analysis of the rule, finalized on August 3, shows that most states are already making solid progress, having made decisions that, when fully implemented, will collectively move the United States more than two-thirds of the way toward the Environmental Protection Agency’s (EPA’s) 2022 emissions benchmarks.