According to locals in Fumin county, in China's southwest Yunnan province , workers began arriving last August with heavy equipment to green a small mountainside. But instead of trees and soil they came armed with large paint guns and orders from above to turn the patch of rock a distinctly artificial green. Whatever the reasons are, the symbolism is stark. These days it's as easy to be enchanted by news of the Middle Kingdom's green dreams as it is to be disappointed by news of setbacks and rampant greenwashing. For its Games, Beijing aims to reduce concentrations of dangerous pollutants to within WHO-accepted levels and keep concentrations of particulate matter down to developed-country standards. Surely, officials are as serious about greening the city for its huge coming-out party as they are about cleaning up its manners.