The principal types of pollution generally they are classified by environment: air pollution, water pollution and land pollution. Society is also concerned about specific types of pollutants, such as noise pollution, light pollution, and plastic pollution. Pollution of all types can have negative effects on the environment and wildlife and often affects human health and well-being.

• Human activity (noise, radioactivity, heat and electromagnetic energy)

• Chemical pollutants: come from the chemical industry, where toxic products such as acids, organic solvents, plastics, petroleum derivatives, synthetic fertilizers and pesticides are generated.

• Biological pollutants: caused by the decomposition and fermentation of organic waste such as excrement, forest industry sawdust, paper, waste from factories or drains.

• Health problems in short,medium and long term.

• Extreme climate change.

• Lost of biodiversity.

• Hinders economic development in countries.

Political area:

• Hinders economic development in countries.

• loss of quality of life.

• scarcity of natural resources.

Environmental area:

• Extreme climate change.

• Lost of biodiversity.

• Animal extinction.