áÛ·åʱÈÕ׬°ÙÍò ÎÂÖݳ´·¿ÍÅâ§ËÀ U.S., China urged on energy efficiency Los Angeles and Pittsburgh provide examples of what to do -- and not to do -- about China's severe air pollution in the face of surging energy use from rapid economic growth, U.S. and Chinese scientists say. China's aging in the care of strangers Beijing - Elderly men play mahjong at a nursing home in Beijing December 11, 2006. China will face a crisis in caring for its elderly unless it can shore up its inadequate and mismanaged social security funds before an explosion in its rapidly ageing population, the government said on Tuesday. Elderly men play mahjong at a nursing home in Beijing December 11, 2006. [Reuters]
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