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Defense Federal Acquisition Regulation Supplement: Disclosure of Greenhouse Gas Emissions (DFARS Case 2024-D021)

Detected July 5, 2026 · in ESG & Climate Disclosure

DoD final rule amending DFARS to require disclosure of greenhouse gas emissions from contractors, effective immediately.

Aforeworn detected this change in the ESG & Climate Disclosure space on July 5, 2026 and published this briefing so affected operators are forewarned rather than caught off guard. It is rated High urgency. Defense contractors and subcontractors subject to DFARS should confirm how it applies to their specific situation before acting. There is a time constraint attached: Immediate; compliance required for new contracts and existing contracts upon modification.. Acting after that point can mean penalties, a lapsed licence, or lost eligibility — exactly the kind of surprise Aforeworn exists to prevent. Aforeworn monitors ESG & Climate Disclosure continuously and turns every detected change into a plain-English briefing like this one, so you always know first. Forewarned is forearmed.

What changed

New mandatory GHG disclosure requirements for DoD contracts, including scope 1, 2, and 3 emissions reporting.

Who it affects

Defense contractors and subcontractors subject to DFARS

What you must do

Assess current GHG inventory capabilities, begin collecting emissions data, and prepare to disclose in contract proposals.

Deadline

Immediate; compliance required for new contracts and existing contracts upon modification.

Source: https://www.federalregister.gov/documents/2026/05/07/2026-09038/defense-federal-acquisition-regulation-supplement-disclosure-of-greenhouse-gas-emissions-dfars-case

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