2. Encourage citizens to use * * * to enjoy bicycles, take buses and walk instead.
3. Improve the forest vegetation coverage rate of the city and increase green vegetation on both sides of the road.
4. Urban water pollution is serious. No littering, reasonable classification of garbage.
5. Salvage the river regularly and remove all the rubbish in the river.
6. Add appropriate aquatic plants and organisms to increase the health of aquatic system.
7. Sewage discharge from chemical plants and residential areas. It is forbidden.