Environment

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**FILE** Iranian workers work in a part of the electricity generating plant of the Bushehr nuclear power plant in Iran on Oct. 26, 2010. (Associated Press/Mehr News Agency, Majid Asgaripour)

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A man suffering cholera symptoms is pushed in a wheelbarrow to St. Catherine hospital, run by Doctors Without Borders, in the Cite Soleil slum in Port-au-Prince, Haiti, Friday Nov. 19, 2010. Thousands of people have been hospitalized for cholera across Haiti with symptoms including serious diarrhea, vomiting and fever and at least 1,100 have died. (AP Photo/Emilio Morenatti)

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A stretch of garden wall ringing an ancient house in Pompeii which gave way after days of torrential rain, is cordon-off in Pompeii, Italy, Tuesday, Nov. 30, 2010. Pompeii officials said an inspection found that a 40-foot (12-meter)-long section of wall forming part of the perimeter of a garden area near the House of the Moralist gave way in several points. They said the extreme sogginess of the soil brought down the wall in an area that hasn't been excavated near the house. (AP Photo/Salvatore Laporta)

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Sen. John D. Rockefeller IV has introduced a bill that would block the agency from regulating greenhouse gases for two years. (Associated Press)

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FILE - In this May 22, 2010 file photo, Julien Hug, a former contestant on the ABC series "The Bachelorette" is shown at a Habitat for Humanity event in Pacoima, Ca. KGTV in San Diego says 35-year-old Julien Hug's father Bertrand Hug confirmed Julien's body was found Wednesday, Nov. 3, 2010, in the remote Pinyon Pines area about 90 miles southeast of Los Angeles. (AP Photo/Tammie Arroyo, file)

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Buckingham Commons Associates LLC is building 38 town homes at Buckingham Commons, located within walking distance of shops, restaurants and nightlife in Ballston. The homes have 1,472 to 2,034 finished square feet, with base prices from $625,000 to $725,000.

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Richmond American Homes is building 59 single-family homes on quarter-acre sites at Bryans Crossing in Bryans Road. The homes have 1,992 to 2,674 finished square feet, with base prices from $299,990 to $339,990.

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Farmers work on a field as Mount Merapi erupts in Cangkringan, Yogyakarta, Indonesia, Monday, Nov. 1, 2010. Indonesia's most volatile volcano, one of 22 being closely watched following an increase in activity, unleashed its most powerful eruption in a deadly week Monday, spewing searing clouds of gas and debris thousands of feet (meters) into the air. There were no immediate reports of new casualties. (AP Photo/A.K. Hendratmo)

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Police officers drag a beaten up man who allegedly tried to loot from houses abandoned by their owners who fled to avoid the eruption of Mount Merapi in Yogyakarta, Indonesia, Monday, Nov. 1, 2010. Indonesia's most volatile volcano unleashed its most powerful eruption in a deadly week Monday, spewing searing clouds of gas and debris thousands of feet (meters) into the air. There were no immediate reports of new casualties. (AP Photo/Trisnadi)

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Former Sen. Dan Coats, Indiana Republican, is en route back to the Senate after an 11-year absence. (Associated Press)

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Pasquala Beaza is distracted while watering plants in front her home at an unpermitted trailer park in Thermal, Calif. At one such encampment, where raw sewage ran in the dirt streets, electricity was off for a month. So six farmworkers, with the assistance of legal aid, finally sued the landlord. (Associated Press)

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A sign at a sewage pond at an unpermitted trailer park in Mecca, Calif., attests to the hazard there. Squalid housing for migrant farmworkers has for decades been a reality in many places where crops are grown. But the situation in the Coachella Valley, 150 miles southeast of Los Angeles, is unique for both its severity and for the hundreds of hidden and largely unplanned trailer parks that house workers. (Associated Press)

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Soldiers carry the coffin of a victim of the Mount Merapi eruption at a mass burial Thursday in Umbulharjo, Indonesia. (Associated Press)

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Mourners weep at the funeral of Maridjan, the spiritual guardian of Mount Merapi, Thursday in Glagaharjo, Indonesia. For 33 years, Maridjan sought to appease the volcano's spirits by throwing offerings into its crater. He died when he refused to flee its eruption. (Associated Press)

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Lava flows from the Shiveluch volcano in the Kamchatka Peninsula eastern Russia is this image taken from TV Thursday Oct. 28, 2010. Volcanic eruptions on Russia's far-eastern Kamchatka Peninsula have tossed massive ash clouds into the air, forcing flights to divert and blanketing a town with ashes. (AP Photo/RTR, via APTN)

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FILE - In a July 11, 2008 file photo, a trio of humpback whales break the surface of the water as they work together in a group behavior known as "bubble feeding" off the coast of Cape Cod near Provincetown, Mass. Efforts to save endangered animals are making a measureable difference, even as a fifth of the world's backboned species _ mammals, birds, reptiles, amphibians and fishes _ are threatened with extinction, a huge new analysis says. (AP Photo/J. Scott Applewhite, File)

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Map locates a strong earthquake that struck Indonesia Monday; includes location of Indonesian volcano that erupted Tuesday

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In this Monday, Oct. 25, 2010 photo, six pandas selected for display at the upcoming Asian Games eat a meal at the Wolong China Pandas Protection and Research Center at Bifengxia base in Ya'an in southwestern China's Sichuan province. China's panda population is booming this year thanks to a record number of births in captivity, a rare accomplishment for the endangered species known for being poor breeders. (AP Photo)

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A rescuer carries an elderly woman to a temporary shelter as she is evacuated from her home on the slope of Mount Merapi, in Pakem, Yogyakarta, Indonesia, Tuesday, Oct. 26, 2010. Indonesia's most volatile volcano started erupting Tuesday, after scientists warned that pressure building beneath its dome could trigger the most powerful eruption in years. (AP Photo/Slamet Riyadi)

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In a photo provided by Goldberg McDuffie Communication, Dickson Despommier, a professor of public health in environmental health sciences at Columbia University is seen in an undated photo. Despommier's book titled "The Vertical Farm" was published in Oct. 2010, and explores the possibility of farming in skyscrapers as a way to solve food and fresh water shortages. (AP Photo/Goldberg McDuffie Communication, Marlene Bloom, HO)