Environmental impact assessment is a science, laws, methods and procedures that helps to make right and balanced decisions as to the any planned human's activity, that could affect the environment, to reduce the impacts at the nature. All decisions should be with in the law and be based on the calculation. This approach of decision maker will testify that he have made required analize and have taken into account the environmental implications of his decision.

Environmental assessment is a main part of sustantainable development of the communities and economies.