Cleaner air depends on political will Activists urge action in the final of a three-part series on the region's pollution. Cheung Chi-fai reports.

(From South China Morning Post)

Effective enforcement, better planning, political will and the participation of the public and corporations are the keys to improving air quality in Hong Kong and the rest of the Pearl River Delta, say green activists.

But before any improvement, pollution could get worse, especially with an energy squeeze triggered by soaring oil prices, they warn.

Conservancy Association chief executive Lister Cheung Lai-ping said the situation on the mainland could become explosive if energy shortages encouraged the operation of many unregulated power stations.

Ms Cheung said better town planning, including the location of …