The environment has changed, whether a change of environment on physical, chemical or biological in the soil or air, which can also cause danger to life. Total assets, and the human organism undesirable. This change will affect directly or indirectly. The state of the environment with the element is not suitable to implement benefit. Pollution is harmful to health. Or a nuisance to humans, such as the air is gas such that a health hazard, the environment with noise. The soil with the accumulation of pesticides. And the water with oil or heavy metals, etc., environmental pollution is the environmental condition which contaminated with a pollutant or energy that caused physical health. Mind and society to deteriorate, causing human impact both direct and indirect.