I. Land pollution:

Many of the tens of millions of tons of garbage every day cannot be burned or decomposed, such as plastics, rubber, glass and other enemies of mankind.

Second, marine pollution:

Mainly crude oil leaked from tankers and oil wells, pesticides and fertilizers used in farmland, sewage discharged from factories and acidic solutions from mines; They pollute most marine lakes. Therefore, not only marine organisms are harmed, but birds and humans may also be poisoned by eating these organisms.

Third, air pollution:

It mainly comes from carbon monoxide and hydrogen sulfide released by factories, automobiles and power plants. Every day, people will suffer from diseases of respiratory organs or visual organs due to exposure to these polluted air.

Four, water pollution:

Factories randomly discharge industrial waste, domestic garbage and sewage.

Verb (abbreviation of verb) noise pollution

Refers to the phenomenon that the generated environmental noise exceeds the national environmental noise emission standard and interferes with the normal work, study and life of others.

Six, radiation pollution

Human activities lead to radioactive substances or rays exceeding the national standards appearing on the surface or inside of substances, human bodies, places and environmental media.

Extended data:

preventive

1. Toxic gases such as sewage, waste gas, waste smoke and waste residue in the factory are filtered and discharged.

2. Try not to use private cars when going out to reduce the environmental pollution caused by automobile exhaust emissions.

Don't use disposable tableware to save paper.

4. Variety of flowers and trees, don't chop down trees indiscriminately.

References:

Environmental Pollution-Baidu Encyclopedia