1. Industrial emissions pollute the atmosphere, leading to acid rain and the greenhouse effect.

2, logging, destroying vegetation, destroying the biological habitat, which is not conducive to the absorption of greenhouse gases.

3. Arbitrary hunting and killing of wild animals destroys biodiversity.

4, light pollution in the city, destroying the biological ecosystem, such as migratory birds lost their way.

5, the use of chemical fertilizers and pesticides, pollution of land resources and water resources.

6, the improper way of energy extraction, destroying the landmark vegetation and polluting the surrounding environment.

7, overfishing of fish, discharging waste into the ocean, destroying the marine ecosystem.