A flock of birds flies by smokestacks and cooling towers emitting smoke and water vapor next to wind turbines at the RWE AG owned coal-fired Weisweiler power station near Aachen, Germany.(Photographer: Wolfgang von Brauchitsch/Bloomberg)

The Key to Saving the Planet May Be Under the Sea

(Bloomberg) -- A Cold War-era joke has an American economist asking a Soviet peer how the communist economy is progressing. “In a word: good” the Russian responds. “In two words: not good.”