China holds key to cleaner skies, says environmental advocate

Regional collaboration, green supply chain, stricter laws, market mechanism key to beating pollution

China has done well in terms of regional cooperation on the economic front, but it is time for tighter laws and more regional efforts to fight air pollution through market mechanisms such as the carbon trading system, said Fred Krupp, president of the US-based Environmental Defense Fund.

There have been calls for the government to revise its air pollution control laws, raise standards to reduce air pollutants and reduce coal burning, a top source of carbon dioxide emissions.