clean energy
Leading Edge
November 21, 2014Denmark supplies three out of four of the worlds offshore wind turbines, and it's on track to be free of fossil fuels by 2050
Mr. Green, Should I Replace My Water Heater?
October 27, 2014From the Grounds Up: Coffee Becomes Biofuel
October 17, 2014Coaled, Hard Facts
October 6, 2014A graphic look at where coal use has increased and decreased since 1965.
A Cleaner South
October 3, 2014In some Southern states, leasing rooftop solar panels is illegal, energy efficiency is a novel concept, and the governor lobbies for the local coal-friendly utility. How does the South get to clean power from there?