Today Tibet remains to be a symbol of eco-security in China, with its blue sky, clean water, green vegetation and clear air.
The Tibetan regional government released its environmental report 2006 on June 5, saying that the ecoenvironment in Tibet remains to be ideal, and even one of the best in the world.
According to the report, all the five rivers in Tibet meet the national standards environmentally. Lhasa citizens have 361 days of clean air every year.
The coverage of natural grassland in Tibet is 82 million hectares, nearly the same size of 2006.The region boasts 125 animal species and 39 plant species under national protection in 38 nature reserves of 400 thousand sq km, the top in China.