Environment

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FILE - In this May 26, 2010 publicity image released by CNN, CNN's Anderson Cooper, right, inspects the oil spill during a tour with Louisiana Gov. Bobby Jindal, background left, of the contaminated areas in Blind Bay, La. (AP Photo/CNN, Shaul Schwarz)

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In this photo released by Greenpeace, a firefighter who was submerged in thick oil during an attempt to fix an underwater pump is brought ashore by his colleagues in Dalian, China, on Tuesday, July 20, 2010. Crude oil started pouring into the Yellow Sea off a busy northeastern port after a pipeline exploded late last week, sparking a massive 15-hour fire. The government says the slick has spread across a 70-square-mile stretch of ocean. (AP Photo/Jiang He, Greenpeace)

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In this photo released by Greenpeace, a firefighter who was submerged in thick oil during an attempt to fix an underwater pump is brought ashore by his colleagues in Dalian, China, on Tuesday, July 20, 2010. Crude oil started pouring into the Yellow Sea off a busy northeastern port after a pipeline exploded late last week, sparking a massive 15-hour fire. The government says the slick has spread across a 70-square-mile stretch of ocean. (AP Photo/Jiang He, Greenpeace)

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In this photo released by Greenpeace, oil covered the hand of a firefighter who was overwhelmed by the thick oil spill while attempting to fix an underwater pump is seen after he is pulled ashore by his colleagues in Dalian, China, on Tuesday, July 20, 2010. Crude oil started pouring into the Yellow Sea off a busy northeastern port after a pipeline exploded late last week, sparking a massive 15-hour fire. The government says the slick has spread across a 70-square-mile stretch of ocean. (AP Photo/Jiang He, Greenpeace)

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This photo released by Greenpeace shows oil washed ashore near the port of Dalian, China, on Tuesday, July 20, 2010. Crude oil started pouring into the Yellow Sea off a busy northeastern port after a pipeline exploded late last week, sparking a massive 15-hour fire. The government says the slick has spread across a 70-square-mile stretch of ocean. (AP Photo/Jiang He, Greenpeace)

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In this Dec. 3, 2009, file photo, workers load coal into a truck outside a coal mine in Dadong, Shanxi province, China. China has overtaken the United States as the world's largest energy consumer, the International Energy Agency said Tuesday, July 20, 2010. China immediately questioned the calculation. (AP Photo/Andy Wong, File)

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Associated Press BEARING DOWN: Former Alaska Gov. Sarah Palin has endorsed the opponent of fellow "grizzly mama" Sen. Lisa Murkowski.

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Associated Press Crews work Monday on pipe problem in Atlantic City, N.J., that left Boardwalk casinos without air conditioning for three days. Pepco Energy Services, which owns the plant where the mishap occurred, said temporary cooling trucks were operating at full capacity.

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This is an undated handout photo issued Monday July 19, 2010 by the Zoological Society of London (ZSL) of a Horton Plains slender loris, sitting on a forest branch in a mountain forest in central Sri Lanka. Researchers say they photographed the rare primate thought to have been extinct for more than 60 years in a forest in central Sri Lanka. The Zoological Society of London said in in a statement on Monday that a Horton Plains slender loris with wide eyes and short limbs has been caught on camera by ZSL and Sri Lankan researchers after they surveyed forest patches for more than 200 hours, looking for signs of the primate. (AP Photo/Zoological Society of London/Ho) EDITORIAL USE ONLY

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In this photo taken Sunday, July 18, 2010, Chinese workers scoop up oil from a spill in the sea near Dalian in northeast China's Liaoning province. Efforts were under way to contain and clean up a large oil slick after pipeline explosions at a northeastern Chinese port sent greasy black plumes into the ocean, state media reported Sunday. (AP Photo)

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In this photo taken Sunday, July 18, 2010, a Chinese worker tries to soak up oil from a spill in the sea near Dalian in northeast China's Liaoning province. Efforts were under way to contain and clean up a large oil slick after pipeline explosions at a northeastern Chinese port sent greasy black plumes into the ocean, state media reported Sunday. (AP Photo)

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** FILE ** Vessels assisting BP and the Coast Guard in the capping of the Deepwater Horizon oil wellhead were hard at work on the Gulf of Mexico near the coast of Louisiana on July 18, 2010. (AP Photo)

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ASSOCIATED PRESS Vessels assisting BP and the Coast Guard in the capping of the Deepwater Horizon oil wellhead were hard at work on the Gulf of Mexico near the coast of Louisiana on Sunday.

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** FILE ** P.J. Hahn, Plaquemines Parish coastal zone director, lifts his boot out of thick beached oil on Queen Bess Island in Barataria Bay, just off the Gulf of Mexico in Plaquemines Parish, La., in early June. (AP Photo/Gerald Herbert, File)

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Louisiana Gov. Bobby Jindal looks over the berm system on the northern end of the Chandeleur Islands, La., Thursday, July 15, 2010. Jindal said the berm system was working to keep oil off the islands. A tightly fitted cap was successfully keeping oil from gushing into the Gulf of Mexico for the first time in three months, BP said Thursday. (AP Photo/Dave Martin)

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President Barack Obama waves to the crowd after attending a groundbreaking ceremony for the LG Chem plant that will manufacture advanced batteries for Chevrolet and Ford electric cars, Thursday, July 15, 2010, in Holland, Mich. (AP Photo/Carlos Osorio)