Environment

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A firefighter walks from the scene of three destroyed homes in Detroit Tuesday, Sept. 7, 2010. Fire officials say flames have swept through at least two dozen homes in Detroit, fanned by strong winds that are toppling power lines across the city. (AP Photo/Detroit Free Press, Kathleen Galligan)

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A burned home is seen through a remaining entryway of another home on Detroit's east side, Wednesday, Sept. 8, 2010. Wind-whipped flames swept through at least three Detroit neighborhoods, destroying dozens of homes, including many that were vacant, officials said. (AP Photo/Carlos Osorio)

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Burned homes are seen on the east side of Detroit, Wednesday, Sept. 8, 2010. Wind-whipped flames swept through at least three Detroit neighborhoods, destroying dozens of homes, including many that were vacant, officials said. (AP Photo/Carlos Osorio)

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Burned cars and property are seen on the west side of Detroit, Wednesday, Sept. 8, 2010. Wind-whipped flames swept through at least three Detroit neighborhoods, destroying dozens of homes, including many that were vacant, officials said. (AP Photo/Carlos Osorio)

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Burned cars and property are seen on the west side of Detroit, Wednesday, Sept. 8, 2010. Wind-whipped flames swept through at least three Detroit neighborhoods, destroying dozens of homes, including many that were vacant, officials said. (AP Photo/Carlos Osorio)

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** FILE ** A Tupolev 154 comes in for a landing at Moscow's Vnukovo Airport in 1996. A similar Tupolev 154 suffered an electrical system failure Tuesday and made an emergency landing, ending up in a forest in northern Russia. (AP Photo/Misha Japaridze, File)

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A wildfire burns outside of Boulder, Colo. on Tuesday Sept. 7, 2010. Authorities said Tuesday night they counted 92 structures that have been destroyed and another eight that have been damaged. (AP Photo/ Matt McClain)

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In this photo provided by Eric Peter Abramson, a line of buses are destroyed after a wild fire passed through Gold Hill, Colo. on Tuesday, Sept. 7, 2010. Gov. Bill Ritter declared a state of emergency Tuesday as officials nearly doubled the fire's estimated size to more than 7,100 acres, or 11 square miles. At one point the plume from the fire could be seen in Wyoming, 90 miles to the north. (AP Photo/Eric Peter Abramson)

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A spotter plane and large slurry bomber past over a burning home in Boulder, Colo. on Tuesday, Sept. 7, 2010. Gov. Bill Ritter declared a state of emergency Tuesday as officials nearly doubled the fire's estimated size to more than 7,100 acres, or 11 square miles. At one point the plume from the fire could be seen in Wyoming, 90 miles to the north. (AP Photo/The Daily Camera, Mark Leffingwell)

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A firefighting helicopter flies over a plume of smoke from a wildfire west of Boulder, Colo., on Tuesday, Sept. 7, 2010. (AP Photo/The Denver Post, Kathryn Scott Osler)

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A group of Sunshine residents discuss the fate of their homes before Gov. Bill Ritter and Boulder Sheriff Joe Pelle spoke to the media and concerned residents at a staging area in Boulder, Colo., Tuesday, Sept. 7, 2010, after concluding a tour of the fire area. (AP Photo/The Denver Post, Craig F. Walker)

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Homeowner Phil Helper listens to a group of Sunshine residents discuss the fate of their homes at a staging area in Boulder, Colo., Tuesday, Sept. 7, 2010. Gov. Bill Ritter spoke media and concerned residents at the staging area after he and Boulder Sheriff Joe Pelle concluded a tour of the fire area. (AP Photo/The Denver Post, Craig F. Walker)

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Dee Spencer, right, who lost her home in a wildfire near Boulder, Colo., on Monday is comforted by Beth Byerlein after a briefing on the fire in Boulder, Colo., on Tuesday, Sept. 7, 2010. Firefighters are fighting the blaze that forced the evacuation of over 3,000 people. (AP Photo/Ed Andrieski)

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A slurry bomber works against the wildfire near Boulder, Colo., on Tuesday, Sept. 7, 2010. Colorado Gov. Bill Ritter has declared a state of emergency as officials nearly doubled the fire's estimated size to more than 7,100 acres, or 11 square miles. At one point, the plume from the fire could be seen in Wyoming, 90 miles to the north. (AP Photo/Daily Camera, Paul Aiken)

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Debris crush a car outside the Christchurch Catholic Cathedral after an earthquake rocked Christchurch, New Zealand, Tuesday, Feb. 22, 2011. The 6.3-magnitude quake hit at the height of a busy workday, toppling tall buildings and churches, crushing buses and killing dozens of people in one of the country's worst natural disasters. (AP Photo/NZPA, David Wethey) NEW ZEALAND OUT, NO ARCHIVES, NO SALES