ClimateWire: Cartwheeling wind turbines dot the green prairies outside North Dakota's capital, and as the state's "energy trail" snakes northward, billowing coal plants pop up in the distance.
The scenery is a reminder of the challenges ahead for North Dakota, a state whose deep reserves of fossil fuels stand in contrast to federal climate regulations with requirements to decrease the release of greenhouse gases.
North Dakota has one of the toughest goals in the country under U.S. EPA's Clean Power Plan....