Reuters: China's plan for a market in air pollution permits promises to help clean up its air cheaply, but the move could prove just as useless as previous environmental policies unless the government stamps out lax enforcement and spotty data.
Smog regularly blankets the country's major urban centers and kills half a million people each year.
The news of plans to launch a market within three years demonstrates China's growing will to tackle environmental problems through market-based tactics, rather...