2010 Memorandum for Heads of Federal Departments and Agencies: Emergencies and the National Environmental Policy Act (superseded by January 21, 2026 guidance)

This document updated previous guidance from CEQ on the environmental review of proposed emergency response actions under NEPA.  CEQ has updated the emergencies guidance multiple times, with the most recent update occurring in 2026. The 2026 guidance can be found in CEQ’s list of active NEPA Guidance for Agencies.