Basic Environment Act Article 25

The central government must, having regard to the needs of the community and the level of science and technology, formulate phased environmental quality and control standards.In order to meet the environmental quality standards mentioned in the preceding paragraph, local governments may set stricter control standards in accordance with the natural and social conditions in their jurisdictions, which must be applicable to the jurisdiction after being referenced by the central government.Governments at all levels must take necessary measures to meet the standards set forth in the preceding two paragraphs.