FILE - In this Sunday, Dec. 6. 2008 file photo, Egyptians drive 

FILE - In this Sunday, Dec. 6. 2008 file photo, Egyptians drive under a polluted sky in Cairo, Egypt. The Quran, Islam's holy book, is filled with more than 1,500 verses to nature and Earth. Yet the voice of Islamic leaders is missing from the global dialogue on warming. The middle eastern nation of Qatar is hosting a U.N. conference where nearly 200 countries are trying to forge a joint plan to fight global warming, which climate activists say is the greatest modern challenge to mankind. (AP Photo/Nasser Nasser, File)
Associated Press
FILE - In this Sunday, Dec. 6. 2008 file photo, Egyptians drive under a polluted sky in Cairo, Egypt. The Quran, Islam's holy book, is filled with more than 1,500 verses to nature and Earth. Yet the voice of Islamic leaders is missing from the global dialogue on warming. The middle eastern nation of Qatar is hosting a U.N. conference where nearly 200 countries are trying to forge a joint plan to fight global warming, which climate activists say is the greatest modern challenge to mankind. (AP Photo/Nasser Nasser, File)
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