Environment

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An Israeli firefighter pours water over his head as he and others stand near one of the centers of an extensive wildfire in the northern Israeli community of Beit Oren, near Haifa, Thursday, Dec. 2, 2010. A massive forest fire that scorched part of northern Israel killed scores of people Thursday, officials said. Fire officials said the blaze, which torched some 800 acres (325 hectares), remained out of control as nightfall arrived. (AP Photo/Yaron Kaminsky)

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A driver gestures as he rides a motorcycle on a road next to smoke rising from a wildfire near Ein Hod in northern Israel, Friday, Dec. 3, 2010. The worst forest fire in Israel's history devastated one of the country's few forested areas, and killed dozens of people. Homes were destroyed and some 15,000 were evacuated. Fire officials said the blaze, that is still out of control, has already torched some 1,600 acres (650 hectares). (AP Photo/Dan Balilty)

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A woman walks on the beach as firefighting planes refill with sea water to be dumped over a wildfire in northern Israel, off the shore of the Mediterranean Sea in Atlit, Israel Friday, Dec. 3, 2010. Crews and equipment from around the world began arriving on Friday to help Israel's worst fire ever. The inferno, which also displaced thousands, is still raging through forests in northern Israel and on the outskirts of the country's third largest city, Haifa. (AP Photo/Sebastian Scheiner)

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People watch firefighting planes flying over after they refilled with sea water to be dumped over a wildfire in northern Israel, off the shore of the Mediterranean Sea in Atlit, Friday, Dec. 3, 2010. Crews and equipment from around the world began arriving on Friday to help Israel's worst fire ever. The inferno, which also displaced thousands, is still raging through forests in northern Israel and on the outskirts of the country's third largest city, Haifa. (AP Photo/Sebastian Scheiner)

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A Greek firefighting plane participates in efforts to extinguish a wildfire over Ein Hod in northern Israel, Friday, Dec. 3, 2010. Foreign firefighters and aircraft poured into Israel Friday in an unprecedented wave of international assistance as the country battled a huge forest fire that has killed dozens of people and displaced thousands. (AP Photo/Dan Balilty)

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A burnt car is seen kibbutz Beit Oren, destroyed in a wildfire in northern Israel Friday, Dec. 3, 2010. Crews and equipment from around the world began arriving on Friday to help Israel's worst fire ever. The inferno, which also displaced thousands, is still raging through forests in northern Israel and on the outskirts of the country's third largest city, Haifa. (AP Photo/Dan Balilty)

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An Israeli ultra-orthodox man takes a photo with his cellular phone of the damage caused to buildings in kibbutz Beit Oren, destroyed in a wildfire in northern Israel Friday, Dec. 3, 2010. European aircraft dumped tons of water over flames shooting from tall trees Friday in northern Israel as firefighters struggled for a second day to contain the country's worst-ever forest fire, which has killed dozens of people and displaced thousands. (AP Photo/Tsafrir Abayov)

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Prison guards carry the coffin of Eran Weizel, killed when a wildfire in northern Israel set a bus alight which was carrying Israeli prison guards heading to rescue Palestinian inmates at a nearby prison, at the military cemetery in Haifa, Friday, Dec. 3, 2010. Foreign firefighters and aircraft poured into Israel Friday in an unprecedented wave of international assistance as the country battled a huge forest fire that has killed dozens of people and displaced thousands. (AP Photo/Oded Balilty)

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Israelis gather around the grave of Eran Weizel, killed when a wildfire in northern Israel set a bus alight which was carrying Israeli prison guards heading to rescue Palestinian inmates at a nearby prison, at the military cemetery in Haifa, Friday, Dec. 3, 2010. Foreign firefighters and aircraft poured into Israel Friday in an unprecedented wave of international assistance as the country battled a huge forest fire that has killed dozens of people and displaced thousands. (AP Photo/Oded Balilty)

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A mourner places her hand on the grave of Eran Weizel, killed when a wildfire in northern Israel set a bus alight which was carrying Israeli prison guards heading to rescue Palestinian inmates at a nearby prison, at the military cemetery in Haifa, Friday, Dec. 3, 2010. Foreign firefighters and aircraft poured into Israel Friday in an unprecedented wave of international assistance as the country battled a huge forest fire that has killed dozens of people and displaced thousands. (AP Photo/Oded Balilty)

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Firefighters rest on the road at sunrise after participating overnight in the efforts to gain control over a massive wildfire, still raging near by, in Tirat Hacarmel, northern Israel, Friday, Dec. 3, 2010. The worst forest fire in Israel's history devastated one of the country's few forested areas, killing dozens of people as guards raced to rescue inmates at a prison in the fire zone, destroying homes and forcing the evacuation of thousands. (AP Photo/Tsafrir Abayov)

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Nissan Motor Co. Chief Operating Officer Toshiyuki Shiga introduces the company's zero-emission electric car, Leaf, during a news conference at its headquarters in Yokohama, Japan, Friday, Dec. 3, 2010. (AP Photo/Itsuo Inouye)

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Mono Lake tufa towers are seen in this Monday, Nov. 15, 2004, file photo near Lee Vining, Calif. The discovery of a strange bacteria that can use arsenic as one of its nutrients widens the scope for finding new forms of life on Earth and possibly beyond. But the researchers found that the bacteria, discovered in Mono Lake, California, is able to continue to grow after substituting arsenic for phosphorous. (AP Photo/Ben Margot,File)

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Environmental activists from 350.org, left, demonstrate before the cameras of journalists during the United Nations Climate Change Conference in Cancun, Mexico, Thursday Dec. 9, 2010. (AP Photo/Eduardo Verdugo)

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FILE - In this Sept. 11, 2006 file photo, corn grows on a farm near Morrow, Ohio. On our current emissions path, climate change becomes the "threat multiplier" that could double grain prices by 2050 and leave millions more children malnourished, global food experts reported Wednesday Dec. 1, 2010. In one combination of climate models and scenarios, "the corn belt in the United States could actually see a significant reduction in productivity potential," according to senior research fellow Gerald Nelson of the International Food Policy Research Institute (IFPRI). (AP Photo/Al Behrman, File)

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India's Rajendra Pachauri, chairman of the Intergovernmental Panel on Climate Change, smiles during an interview with The Associated Press in Cancun, Mexico, Tuesday, Nov. 30, 2010. The U.N. sponsored network of climate scientists said world governments must invest more in cutting-edge research to 'get a handle' on how much and how quickly the world will warm in decades to come. (AP Photo/Charles J. Hanley)