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A river rises in the Andes and flows east to the Amazon, Ucayali River in Peru. Photo by Bates Littlehales/National Geographic/Getty Images TARAPOTO, Peru -- For tropical ecologist Gregory Asner, flying over the Peruvian Amazon from the town…

Dec 21

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Remembering a Year of Wild Weather

Wild winds, a searing drought, fires and a superstorm -- 2012 was a year of unusual and devastating natural disasters. These photos show what those erratic weather patterns meant for millions of Americans.