Reaffirms that each person has a fundamental and inalienable right to a healthful environment and that each person has a responsibility to contribute to the preservation and enhancement of the environment.

Declares that where threats of serious or irreversible damage to people or nature exist, lack of full scientific certainty about cause and effect may not be viewed as sufficient reason for the state to postpone measures to prevent the degradation of the environment or protect the health of its residents.