GeoLawWatch: Tracking Weather & Climate Legislation

Tracking weather modification, cloud seeding, and geoengineering bills in real time across the US.

Geoengineering Bills by State

2025-2026 Regular Session

In Session Year 2: Jan 14, 2026 – Dec 31, 2026

Governor: Gretchen Whitmer

Statutory Squirrel blog

Bill # Details Effective Status
2025-2026 Regular Session Session Adjourn Thu 31 Dec 2026
HB4304 Environmental protection: air pollution; dispersion of substances or objects into atmosphere; prohibit for purposes of affecting weather. Amends 1994 PA 451 (MCL 324.101 - 324.90106) by adding sec. 5514b. 31 Mar 2027 Introduced
Michigan opts for statutory simplicity by adding a single-sentence prohibition to existing environmental law with no specified penalties, enforcement mechanisms, or implementation framework. Last update
Thu 27 Mar 2025
  Status: Committee On Regulatory Reform (since 26 Mar 2025) Unmoved for over a year - unlikely to ever see progress before the session closes at the end of the year.