by Bob Tippee, EditorThe US Supreme Court plans to address legal questions with potential to expose emitters of greenhouse gases to huge liability for harm from natural phenomena.The court agreed to hear an appeal in a case comparable to one in which oil companies are said to be liable for Gulf Coast damage from Hurricane Katrina in 2005.The case now moving onto the high court's agenda involves the electric-power industry. In Connecticut v. American Electric Power, environmental groups and the state of New York claimed emissions of carbon dioxide by major power producers aggravated global warming and caused beach erosion, drought, and floods.A New York judge originally dismissed the case,...