Energy moves spark clean power transition

China's energy revolution is sparking a swifter global transition to clean power, according to a new study, meaning that, in two decades, the world could generate 40 percent of its power from renewable resources.

Fatih Birol, executive director of the International Energy Agency, a Paris-based energy policy advisory body, said the growth in China's use of clean energy is reshaping forecasts on future energy usage.

"We see China becoming the leader by far in solar, wind, and electric cars, with less activity in coal and oil," Birol said during the launch of the IEA's annual World Energy Outlook report in London. "China's energy sector is changing, and, as such, it changes the global energy sector."