Slate: Just like that, we're already halfway to our new goal of reducing global warming pollution from power plants.
On Monday morning, President Obama announced a new target for carbon dioxide emissions from existing power plants: a 30 percent reduction by 2030. The action is as significant as (and possibly greater than) Obama's previous steps to significantly upgrade fuel efficiency from cars and trucks, and may help deliver a fatal blow to the coal industry.
But by choosing a baseline year of 2005...