June 7, 2014, 11am PDT
EPA's new Clean Power Plan Rule has taken on a political life of its own, with coal states adamantly opposed, helping those who allege that the administration is waging a "war on coal." We also look at the basis of the rule in the 1970 Clean Air Act.
November 30, 2012, 12pm PST
While the federal government has dithered on comprehensive programs to limit greenhouse gas emissions, states and cities have led such efforts. Climate change skeptics are now leading efforts to reverse state renewable energy mandates across the US.