Environment

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The Gramercy model at the City Towns at the Overlook in Brambleton has three finished levels. It is priced from $359,990.

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ASSOCIATED PRESS PHOTOGRAPHS A government ship sails past the South Korean Navy's floating base at sunrise Wednesday near Yeonpyeong island, South Korea.

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CHICAGO TRIBUNE VIA ASSOCIATED PRESS Chicago firefighters evacuate an injured comrade from an abandoned commercial building in the city's South Side. Two were killed and 17 injured when a blaze caused a wall and roof to collapse.

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Iraqi Prime Minister Nouri al-Maliki waits to submit his new government for approval to the Iraqi parliament in Baghdad on Tuesday. Iraqi lawmakers unanimously approved the new government. (Associated Press)

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A U.S. Coast Guard vessel searches for survivors in an area believed to be the crash site of a Puerto Rico National Guard helicopter in Rio Grande, Puerto Rico, on Tuesday, Dec. 22, 2010. The chopper crashed Monday into the ocean after returning from a drug raid, with all six people aboard feared dead, officials said Tuesday. (AP Photo/El Nuevo Dia, Dennis M. Rivera Pichardo)

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Associated Press South Korean marines patrol on Yeonpyeong Island on Tuesday. North Korea backed off threats to retaliate against South Korea for Seoul's military drills near the border Monday and reportedly offered concessions on its nuclear program.

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A Haitian woman, carrying a bucket with goods to sell, walks by a house damaged by the earthquake in Port-au-Prince on Dec. 11.

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Associated Press photographs A Haitian man removes debris from a damaged house Dec. 11 in Port-au-Prince, Haiti, nearly a year after the Jan. 12 earthquake that devastated the Caribbean island nation. Haitian contractors have played a negligible role in the rebuilding process.

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Associated Press AGENT OF CHANGE: Mississippi Gov. Haley Barbour says, "Several people running look like they are qualified."

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These bone fragments found by researchers on Nikumaroro Island in the South Pacific could help prove that famed aviator Amelia Earhart died as a castaway after failing in her quest to circumnavigate the globe. (AP Photo/The International Group for Historic Aircraft Recovery)

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FILE - In this Nov. 8, 2010 file photo, a farmer walks through his corn field covered in volcanic ash from Mount Merapi in Muntilan, Central Java, Indonesia. (AP Photo/File)

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In this product image provided by Wild Planet, the Spy Gear SpyVideo Trakr is displayed. (AP Photo/Wild Planet)

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This undated image provided by Ohio State University shows Ellesmere Island National Park in Canada. Ohio State University researchers and their colleagues have discovered the remains of a mummified forest that lived on the island 2 to 8 million years ago, when the Arctic was cooling. This mummified forest is giving researchers a peek into how plants reacted to ancient climate change. That knowledge will be key as scientists begin to tease out the impacts of global warming in the Arctic.(AP Photo/Ohio State University, Joel Barker)

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This undated image provided by Ohio State University shows Ellesmere Island National Park in Canada. Ohio State University researchers and their colleagues have discovered the remains of a mummified forest that lived on the island 2 to 8 million years ago, when the Arctic was cooling. This mummified forest is giving researchers a peek into how plants reacted to ancient climate change. That knowledge will be key as scientists begin to tease out the impacts of global warming in the Arctic. (AP Photo/Ohio State University, Joel Barker)

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FILE - In this undated file photo, a polar bear is shown in the Arctic National Wildlife Refuge in Alaska. If the world dramatically changes its steadily increasing emissions of greenhouse gases, global warming can be slowed enough to prevent a total loss of critical summer sea ice for the polar bears, according to a new study in the journal Nature released Wednesday, Dec. 15, 2010. (AP Photo/Subhankar Banerjee, File)

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Frantz Philistin holds up an image of his 15-month-old son Keevins outside court in Port-au-Prince, Haiti, Wednesday Dec. 15, 2010. Paul Waggoner, a U.S. citizen who helped found a group that provides medical supplies and transportation for aid missions in post-quake Haiti, is being held while authorities investigate allegations he kidnapped Keevins. Waggoner said the baby died at a hospital with fever and gastrointestinal distress in February. (AP Photo/Dieu Nalio Chery)