Foundational federal environmental law requiring federal agencies to assess the environmental effects of their proposed actions through Environmental Impact Statements. Codified at 42 U.S.C. §§ 4321 et seq.
National Environmental Policy Act of 1969
AmendedCodified at42 U.S.C. §§ 4321–4347
Enacted January 1, 1970 · Pub. L. 91-190