2. Water pollution. Rivers, lakes and other water bodies in Qinghai Province are seriously polluted, and the main pollutants are organic matter, nitrogen and phosphorus.
3. Soil pollution. There is a certain degree of soil pollution in some farmland and industrial land in Qinghai Province, and the main pollutants are heavy metals and organic matter.
4. Noise pollution. Noise pollution caused by urban traffic, industry and construction activities in Qinghai Province is serious.
5. Solid waste pollution. Improper treatment of solid wastes such as industrial waste and rural domestic waste in Qinghai Province has caused pollution and harm to the environment.