摘要
China's clean energy investment ranked first in the world in 2009, reaching RMB 200 billion. Its energy intensity in GDP has dropped nearly 16 percent in the past four years, with the amount of energy saved reaching 490 million tons of coal equivalent and the carbon dioxide emissions falling by over 1.1 billion tons. The emissionsreduction targets for sulfur dioxide and chemical oxygen demand have been achieved ahead of schedule.