On January 9, 2023, the Council on Environmental Quality (CEQ) issued interim guidance to assist Federal agencies in their consideration of the effects of greenhouse gas (GHG) emissions and climate change when conducting environmental reviews pursuant to the National Environmental Policy Act (NEPA). On May 28, 2025, CEQ withdrew the Interim Guidance. For more information on this withdrawal, see the notice of withdrawal in the Federal Register:
The following are historical reference documents:
Notice of rescission of 2019 draft guidance (Feb. 19, 2021)
Resources for NEPA practitioners: GHG accounting tools
2019 draft guidance (June 26, 2019, rescinded Feb. 19, 2021)
Notice of withdrawal of 2016 final guidance (Apr. 5, 2017)
E.O. 13783: Promoting Energy Independence and Economic Growth (Mar. 28, 2017)
Notice of availability of 2016 (NOA) final guidance (Aug. 5, 2016)
2016 final guidance (issued Aug. 1, 2016; withdrawn Apr. 5, 2017; under review Feb. 19, 2021)