ClimateWire: President Obama's highly anticipated power plant rules have come a long way from a relatively low-profile legal settlement in 2010.
Obama is set to unveil a proposed rule that for the first time will limit greenhouse gas emissions from the country's power plants. He officially directed EPA to craft regulations to control greenhouse gases in his Climate Action Plan last year, but the effort to curb the largest chunk of CO2 emissions in the country has been mounting for years. In late 2010, EPA...