How to provide sufficient clean water to the vast and arid north of China has long been a headache for its rulers. Of late they have considered some ambitious proposals. One of the most hotly debated, to divert water hundreds of kilometres from Tibet at a cost of tens of billions of dollars, was scorned this week by the water minister. What about a more modest (and less Maoist) approach: using market-driven prices to deter waste and pollution?
展开▼
