Environment

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Republican presidential candidate Mitt Romney speaks during a campaign stop at the Koch family farm on Tuesday, Oct. 9, 2012, in Van Meter, Iowa. (AP Photo/Charlie Neibergall)

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Mitt Romney, the Republican presidential nominee, arrives for a rally in Van Meter, Iowa. Mr. Romney told the crowd that “When I become president, I will do everything in my power to strengthen once again the American farm, to strengthen the family farm.” (Associated Press)

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Secretary of the Interior Kenneth L. Salazar visited the Abound Solar Inc. plant in Longmont, Colo., in 2009. The company has filed for bankruptcy, but the Department of Labor says its laid-off employees aren’t eligible for federal trade assistance. (Associated Press)

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The Washington Redskins signed kicker Kai Forbath on Tuesday. He was waived by the Tampa Bay Buccaneers earlier this season. (Associated Press)

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**FILE** A protester dressed as Big Bird stands Oct. 6, 2012, outside of the amphitheater in Apopka Fla., where Republican presidential candidate Mitt Romney prepares to speak during a campaign rally. (Associated Press)

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Gladys Plympton, 91, shields herself from the rain before Republican presidential candidate Mitt Romney takes the stage for a campaign stop on Monday, Oct. 8, 2012, in Newport News, Va. (AP Photo/Jason Hirschfeld)

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Aristeo Manzano, 58, repairs machinery at the Brasil sugar processing plant in Jaronu, Cuba. (Associated Press)

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Jose Tabio, 56, repairs machinery at the Brasil sugar processing plant in Jaronu, Cuba. (Associated Press)

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Ernesto Fernandez, 59, works during repairs on the Brasil sugar processing plant in Jaronu, Cuba. (Associated Press)

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A worker moves iron with a crane during repairs at the Brasil sugar processing plant in Jaronu, Cuba. The plant, launched in 1921, is getting a makeover and expected to be ready in time for the upcoming annual harvest and to start milling cane by February 2013. (Associated Press)

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A sugar plant worker shows his feet to a fellow worker at the Brasil sugar processing plant in Jaronu, Cuba. (Associated Press)

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Juan Penalver (right), 52, and Jorge Luis Piss, 39, repair a boiler where sugar cane syrup is cooked at the Brasil sugar processing plant in Jaronu, Cuba. The plant, launched in 1921, is getting a makeover and expected to be ready in time for the upcoming annual harvest and to start milling cane by February 2013. (Associated Press)

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A worker walks among old machinery at the Brasil sugar processing plant in Jaronu, Cuba. The words written on the wall read, in Spanish, "Don't pass. Collapse." The plant, launched in 1921, is getting a makeover and expected to be ready in time for the upcoming annual harvest and to start milling cane by February 2013. (Associated Press)

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A man rides in a horse-drawn carriage outside the Brasil sugar processing plant in Jaronu, Cuba, on Sept. 8, 2012. (Associated Press)

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Workers irrigate a sugar cane field in Jaronu, Cuba. Two years ago, the sugar industry was crippled after the worst harvest in more than a century. (Associated Press)