Environment

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Fire boat response crews spray water on the burning remnants of BP's Deepwater Horizon offshore oil rig on Aprll 21, 2010.

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Jorge Garcia Gomez-Tejedor, head of conservation at Reina Sofia Museum in Madrid, examines Pablo Picasso's "Guernica" as a camera mounted on a mobile robotlike structure moves across the painting to inspect it for damage. (Associated Press)

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** FILE ** Fire-boat response crews spray water on the burning remnants of BP's Deepwater Horizon offshore oil rig on April 21, 2010. (AP Photo/U.S. Coast Guard)

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Large drums containing a yellow-brown gooey substance could lead to an environmental mess at a property leased and abandoned by Solyndra. Items contaminated with lead are also at the site. A large structure outside the facility has the words "Argon Refrigerated Liquid" on its side. (U.S. Bankruptcy Court)

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Maryland Gov. Martin O'Malley testifies on his offshore wind energy bill Thursday in Annapolis. Mr. O'Malley said the proposal would create jobs and lower reliance on fossil fuels while causing only a modest increase in energy prices. (Rod Lamkey Jr./The Washington Times)

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Chesapeake Energy Corporation owns a natural gas drilling site in Leroy Township, Pa. A drilling boom that began five years ago has tapered off because of a glut of gas on the market. In 2008, natural gas costs reached about $8 per thousand cubic feet. As more rigs went up in Pennsylvania, West Virginia and elsewhere in the ensuing years, the price began to dip its current 10-year low. (Associated Press)

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Toll Bros. is planning 225 single-family homes at Regency at Chancellorsville in Fredericksburg, Va. The Harrison model, with 2,026 finished square feet, is base-priced from $290,995 to $302,995.

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Flames rise from a house in the Baba Amr neighborhood in Homs, Syria, on Wednesday, Feb. 22, 2012, after shelling by government troops. This photo was taken by a citizen journalist and supplied by the Local Coordination Committees activist group. (AP Photo/Local Coordination Committees in Syria)

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Alex Ovechkin (8) of the Washington Capitals has the puck poked away by the Carolina Hurricanes' Brandon Sutter (16), with the Hurricanes' Tim Gleason nearby, during the first period of an NHL hockey game in Raleigh, N.C., on Monday, Feb. 20, 2012. (AP Photo/Karl B. DeBlaker)

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Greek Finance Minister Evangelos Venizelos speaks Feb. 21, 2012, during a news conference in Athens. (Associated Press)

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Among the sights and sounds of New York's Times Square, a new and provocative billboard stands out courtesy of the Media Research Center. The conservative watchdog expects 1.3 million onlookers to see its message during the next month. (Media Research Center)

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Washington Capitals' Alex Ovechkin has the puck poked away by Carolina Hurricanes' Brandon Sutter (16) with Hurricanes' Tim Gleason nearby, during the first period in Raleigh, N.C., Monday, Feb. 20, 2012. (AP Photo/Karl B DeBlaker)

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Former Pennsylvania Gov. Ed Rendell. (Associated Press) ** FILE **

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Carolina celebrates a goal by Eric Staal as Washington defenseman Dennis Wideman skates by. The Hurricanes routed the Capitals 5-0 on Monday night. (Associated Press)

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Ben Fisk hammers a tap and collection tube into the trunk of a maple tree at a timber stand in Newbury, N.H. An unusually mild winter across much of the Northeast has raised some concerns about the maple syrup harvest. (Associated Press)

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Houses are seen Feb. 20, 2012, destroyed by Syrian government forces shelling, at Baba Amr neighborhood in Homs, Syria. An opposition group said several people have been killed in heavy shelling of a district in central Syria, a day after the army sent reinforcements ahead of a possible ground assault. (Associated Press/Local Coordination Committees in Syria)

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Carolina Hurricanes' Eric Staal (12) gets taken down to the ice by Washington Capitals' Mike Green (52) but slides the puck under goalie Michal Neuvirth (30) for a goal during the second period of an NHL game in Raleigh, N.C., Monday, Feb. 20, 2012. The Hurricanes won 5-0. (AP Photo/Karl B DeBlaker)