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. (AP Photo/Geert Vanden Wijngaert, File)
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