Chinese pollution is a health problem

The UN recently warned China that the pollution problem is a gigantic health risk. Ironically, as the UN representative spoke, deep smog rolled into the Beijing down town. Take a look at the image at the right to see how thick the smog can be in the city. Beijing is going to launch a "green economy" report.The document, which has taken three years to prepare, outlines how countries can maintain economic growth and improve the environment at the same time. It is now the world's biggest investor spending $49 billion last year on renewable energy, a figure that will grow over the next five years.