July 2020
CEQ Final Rule — Trump Phase 1
Narrowed NEPA scope, removed cumulative/indirect effects analysis, set 2-year EIS / 1-year EA targets, 150/75 page limits.
April 2022
CEQ Phase 1 Rule — Biden Restoration
Restored pre-2020 regulations. Reinstated cumulative and indirect effects, environmental justice considerations.
June 2023
Fiscal Responsibility Act
First-ever statutory deadlines: 2-year limit for EISs, 1-year limit for EAs. Lead agency designation within 45 days.
May 2024
CEQ Phase 2 Final Rule — Biden Modernization
Codified programmatic reviews, expanded categorical exclusion adoption, promoted e-NEPA tools.
January 2025
EO 14154 — "Unleashing American Energy"
Directed CEQ to rescind all NEPA implementing regulations. Rescinded EO 11991 (1977). Eliminated environmental justice requirements.
April 2025
CEQ Regulation Rescission
Removed all of 40 CFR Parts 1500-1508. Replaced binding regulations with non-binding guidance memorandum.
July 2025
One Big Beautiful Bill Act (OBBBA)
Added Section 112 to NEPA: fee-based expedited review (125% cost = 1-year EIS / 180-day EA). USACE page limits (150p EIS / 75p EA).
September 2025
CEQ Updated Guidance Memorandum
Superseded all prior NEPA guidance. Agencies required to revise procedures by February 2026.