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A Chinese worker fires rockets for cloud seeding in an attempt to make rain in Huangpi, central China's Hubei province on May 10, 2011. The drought plaguing central China for months has left more than one million people without proper drinking water and crimped output of hydroelectric power, China's second-biggest energy source, as water levels at nearly 1,400 reservoirs in Hubei province have fallen below the operational level, according to government figures. CHINA OUT AFP PHOTO (Photo credit should read STR/AFP/Getty Images)

A Chinese worker fires rockets for cloud seeding in an attempt to make rain in Huangpi, central China's Hubei province on May 10, 2011. The drought plaguing central China for months has left more than one million people without proper drinking water and crimped output of hydroelectric power, China's second-biggest energy source, as water levels at nearly 1,400 reservoirs in Hubei province have fallen below the operational level, according to government figures.            CHINA OUT      AFP PHOTO (Photo credit should read STR/AFP/Getty Images)