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To go with China-Environment-Climate-Rivers by Robert Saiget Ice melts in the source region of China's Yellow River outside of Maduo on the Qinghai-Tibet plateau, known as the 'Roof of the World', on April 19, 2010, in northwestern Qinghai province. Global warming and environmental degradation on the Qinghai-Tibet plateau are cutting into water resources for Asia's mightiest rivers including the Yangtze, Yellow and Mekong, experts say, as melting glaciers and permafrost along the mountain ranges are leading to erosion of the plateau's grasslands and wetlands. AFP PHOTO/Frederic J. BROWN (Photo credit should read FREDERIC J. BROWN/AFP/Getty Images)
To go with China-Environment-Climate-Rivers by Robert Saiget Ice melts in the source region of China's Yellow River outside of Maduo on the Qinghai-Tibet plateau, known as the 'Roof of the World', on April 19, 2010, in northwestern Qinghai province. Global warming and environmental degradation on the Qinghai-Tibet plateau are cutting into water resources for Asia's mightiest rivers including the Yangtze, Yellow and Mekong, experts say, as melting glaciers and permafrost along the mountain ranges are leading to erosion of the plateau's grasslands and wetlands. AFP PHOTO/Frederic J. BROWN (Photo credit should read FREDERIC J. BROWN/AFP/Getty Images)

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