Environment

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FILE - In this Nov. 23, 2011 file photo, several wind turbines are seen east of Paxton, Ill. A new report released Friday, March 7, 2014, by national and state environmental groups, including the World Wildlife Fund and the Chicago-based Environmental Law & Policy Center, says Illinois leads the nation when it comes to switching to renewable energy. (AP Photo/The News-Gazette, Robin Scholz, File) MANDATORY CREDIT

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In this Friday, March 7, 2014 photo, a sign welcoming visitors to the Heidelberg Project outdoor art installation is shown in Detroit. The sign sits not far from the site of a house that was destroyed by fire earlier in the day. The home, known as the "Party Animal" house or "Doll House," was part of the Heidelberg Project, which has been the target of at least eight suspicious fires since May. (AP Photo, Mike Householder)

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This Friday, March 7, 2014 photo shows the remnants of a house that was part of the Heidelberg Project outdoor art installation in Detroit was destroyed by fire. The home was known as the "Party Animal" house or "Doll House." The Heidelberg Project has been the target of at least eight suspicious fires since May. (AP Photo, Mike Householder)

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FILE - In this July 18, 2013 file photo, a container ship makes its way into the Port of Charleston in Charleston, S.C. A spokeswoman for the South Carolina Ports Authority said Friday, March 7, 2014, that the authority expects a seemless transition from studies of deepening the harbor shipping channel to dredging work on the $350 million project expected to begin late next year. (AP Photo/Bruce Smith, File)

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FILE - This June 29, 2011 aerial file photo shows homes inundated by Missouri River floodwaters in Union County, S.D. Jody Farhat, an official with the Corps of Engineers says the mountain snowpack in the Missouri River's upper basin is close to levels seen before 2011 flooding on the river. But she says flooding this year is still far less likely because drought in 2012 has resulted in a one-third increase in water storage capacity in the three Missouri River reservoirs in the Dakotas and Montana. (AP Photo/The Sioux City Journal, Tim Hynds, File) NO SALES

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In this Nov. 21, 2013 photo, stuffed animals are seen attached to "The Party Animal House" in the Heidelberg Art Project in Detroit. Another fire has burned a house that's part of the outdoor art installation. WDIV-TV reports that the fire department responded early Friday, March 7, 2014 to the fire on the city's east side that destroyed the building. "The Heidelberg Project has been the target of at least eight earlier suspicious fires. There have been no arrests related to the fires that started in May 2013, but local and federal officials are investigating. Tyree Guyton founded the east-side project in 1986 as a response to urban decay. (AP Photo/Carlos Osorio)

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In this Nov. 21, 2013 photo, stuffed animals are seen attached to "The Party Animal House" in the Heidelberg Art Project in Detroit. Another fire has burned a house that's part of the outdoor art installation. WDIV-TV reports that the fire department responded early Friday, March 7, 2014 to the fire on the city's east side that destroyed the building. "The Heidelberg Project has been the target of at least eight earlier suspicious fires. There have been no arrests related to the fires that started in May 2013, but local and federal officials are investigating. Tyree Guyton founded the east-side project in 1986 as a response to urban decay. (AP Photo/Carlos Osorio)

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Duke's Quinn Cook (2) reacts after being called for a foul against Wake Forest during the second half of an NCAA college basketball game in Winston-Salem, N.C., Wednesday, March 5, 2014. Wake Forest won 82-72. (AP Photo/Chuck Burton)