China produces the most carbon emissions in the world, and the output is likely to continue growing for two decades. When President Hu Jintao pledged at the United Nations last month to lower the country’s carbon intensity "by a notable margin," that was regarded as a step forward.
US Energy Secretary Steven Chu worked at encouraging China to play a leading role in developing clean energy during his four-day trip to China and visited the ENN Group (seen in our illustration). A long and detailed article in the Washington Post covers China’s efforts and suggests that some people are worrying about the threat of China seizing the lead in clean-energy technology.
David Sandalow, assistant secretary for policy and international affairs at the Energy Department, who recently visited Beijing to explore areas for agreement during President Obama’s trip here next month, said, "If they invest in 21st-century technologies and we invest in 20th-century technologies, they will win."