FILE - In this Sunday, Oct. 29, 2006 file photo, smog covers 

FILE - In this Sunday, Oct. 29, 2006 file photo, smog covers the city of Cairo, Egypt, where 2,000,000 cars on the streets and many unregistered lead and copper smelters heavily pollute. 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/Geert Vanden Wijngaert, File)
Associated Press
FILE - In this Sunday, Oct. 29, 2006 file photo, smog covers the city of Cairo, Egypt, where 2,000,000 cars on the streets and many unregistered lead and copper smelters heavily pollute. 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/Geert Vanden Wijngaert, File)
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