California (and others) to Sue EPA Over GHGs (Again):

The California Attorney General's office is leading a group of state attorneys general and environmental groups that will sue the Environmental Protection Agency for failing to regulate greenhouse gases from ships, planes, and agricultural and industrial equipment. Now that greenhouse gases are considered air pollutants under the Clean Air Act, they maintain, the EPA is obligated to regulate their emissions from such sources. Here's the notice of intent to sue, and news coverage from Reuters and AP.