Egypt

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A supporter of Egyptian President Mohammed Morsi chants slogans during a demonstration outside the presidential palace in Cairo on Dec. 5, 2012. (Associated Press)

Supporters of Egyptian President Mohammed Morsi remove tents of opposition protesters outside the presidential palace in Cairo on Dec. 5, 2012. Supporters of Morsi and opponents clashed outside the presidential palace, beginning when thousands of Islamist supporters of Morsi descended on the area around the palace where some 300 of his opponents were staging a sit-in. (Associated Press)

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Egyptian President Mohammed Morsi’s supporters (background) clash Wednesday with opponents (foreground) outside the presidential palace in Cairo. Wednesday’s clashes began when thousands of Islamist supporters of Mr. Morsi descended on the area, where about 300 opponents were staging a sit-in. (Associated Press)

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Egyptian President Mohammed Morsi's supporters beat an opponent, center, during clashes outside the presidential palace, in Cairo, Egypt, Wednesday, Dec. 5, 2012. Wednesday's clashes began when thousands of Islamist supporters of Morsi descended on the area around the palace where some 300 of his opponents were staging a sit-in. (AP Photo/Hassan Ammar)

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Egyptian President Mohammed Morsi's supporters, background, clash with opponents, foreground, outside the presidential palace, in Cairo, Egypt, Wednesday, Dec. 5, 2012. Wednesday's clashes began when thousands of Islamist supporters of Morsi descended on the area around the palace where some 300 of his opponents were staging a sit-in. (AP Photo/Hassan Ammar)

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Egyptian President Mohammed Morsi's supporters try to detain an opposition protester during clashes outside the presidential palace, in Cairo, Egypt, Wednesday, Dec. 5, 2012. Wednesday's clashes began when thousands of Islamist supporters of Morsi descended on the area around the palace where some 300 of his opponents were staging a sit-in. (AP Photo/Hassan Ammar)

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A supporter of Egyptian President Mohammed Morsi chants slogans during clashes with opponents, not pictured, outside the presidential palace, in Cairo, Egypt, Wednesday, Dec. 5, 2012. (AP Photo/Hassan Ammar)

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Egyptian President Mohammed Morsi's supporters clash with opponents, not pictured, outside the presidential palace, in Cairo, Egypt, Wednesday, Dec. 5, 2012. (AP Photo/Hassan Ammar)

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Egyptian protesters chant anti Muslim Brotherhood slogans during a demonstration outside the presidential palace, in Cairo, Egypt, Wednesday, Dec. 5, 2012. Egyptian (AP Photo/Hassan Ammar)

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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)