Today the U.S. Supreme Court issued a landmark decision in West Virginia vs. EPA, ruling that the Clean Air Act did not specifically authorize the Environmental Protection Agency (EPA) to regulate greenhouse gas emissions from power plants. Now, any greenhouse gas regulations would need specific authorization from Congress. At issue was the Clean Power Plan (CPP), an EPA regulation promulgated by the Obama administration which mandated that existing coal and natural gas power plants reduce their carbon dioxide emissions. There were many problems with this regulation, some of them were legal, and some of them were practical. Legally Speaking.. The...