
Vapour rises from a cooling tower at the E.ON AG Isar nuclear reactor plant in Essenbach, Germany, on Thursday, Feb. 9, 2011. E.ON AG, Germany's largest utility, won permission to build a 230-megawatt wind farm off the coast of Humberside in the U.K. Photographer: Guenter Schiffmann/Bloomberg
Guenter Schiffmann/Bloomberg