As Glaciers Melt and Rivers Dry Up, Coal-Fired Power Stations Multiply

BEIJING - On a bad day - which can be hundreds in a year - the ancient city of Linfen in the northern province of Shanxi is environmental hell. Named by the World Bank last year as having the worst air quality on Earth, its 3.5 million people more often than not choke on coal dust; its soil and its rivers are covered with soot, and its Buddhas are blackened and shrouded in a toxic mist.

The cause is Linfen's 196 iron foundries, its 153 coking plants, its unregulated coalmines, tar factories, steelworks and domestic homes, all of which burn cheap, easily accessible brown coal.