Environment

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A Vietnamese Air Force crew member looks at a map on board a flying aircraft during a mission to search for the missing Malaysia Airlines flight MH370 in the Gulf of Thailand over the location where Chinese satellite images showed possible debris from the missing Malaysian jetliner, Thursday, March 13, 2014. (AP Photo)

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Vietnamese Air Force Col. Pham Minh Tuan uses binoculars on board a flying aircraft during a mission to search for the missing Malaysia Airlines flight MH370 in the Gulf of Thailand over the location where Chinese satellite images showed possible debris from the missing Malaysian jetliner, Thursday, March 13, 2014. (AP Photo)

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Germany's Maria Hoefl Riesch is lifted to a rescue helicopter after crashing during a women's alpine skiing downhill at the World Cup finals in Lenzerheide, Switzerland, Wednesday, March 12, 2013. (AP Photo/Marco Trovati)

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Germany's Maria Hoefl Riesch is lifted to a rescue helicopter after crashing during a women's alpine skiing downhill at the World Cup finals in Lenzerheide, Switzerland, Wednesday, March 12, 2013. (AP Photo/Marco Trovati)

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This image released by Warner Bros. Pictures shows Ryan Hansen in a scene from "Veronica Mars." (AP Photo/Warner Bros. Pictures, Robert Voets)

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In this Jan. 17, 2014 photo, an empty bed at Dapaing Village Hospital is seen in north of Sittwe, Rakhine State, Myanmar. Data on Rohingya health is almost nonexistent. However, Rakhine is the nation's second-poorest state and lives have always been at greater risk there. Away from the camps, in isolated and predominantly Muslim northern Rakhine state, the health situation is even worse and reaching a hospital is nearly impossible. (AP Photo/Gemunu Amarasinghe)

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**FILE** Gina McCarthy, administrator of the Environmental Protection Agency, holds a climate change report as she speaks at a climate workshop sponsored by The Climate Center at Georgetown University, Thursday, Feb. 21, 2013 in Washington. (AP Photo/Alex Brandon)