A truck carrying hardwood timber drives along a rural road leading to Paragominas, Brazil, on Sept. 23, 2011. The city has become a pioneering "Green City," a model of sustainability with a new economic approach that has seen illegal deforestation virtually halted. Andre Penner/AP hide caption

itoggle caption Andre Penner/AP

Greenpeace's annual report ranks Internet companies based on the efficiency of their cloud facilities. szaz/iStockphoto.com hide caption

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