GeoLawWatch: Tracking Weather & Climate Legislation

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

Bills Live in the Current Session

Automatically updated every day from LegiScan.

Bill # Details Effective Status
Michigan
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. Introduced
⚖ This bill amends the Natural Resources and Environmental Protection Act to strictly prohibit the intentional injection or dispersion of chemicals or apparatus into the atmosphere for the purpose of affecting weather or sunlight intensity. Last update
Thu 27 Mar 2025
  Note: (5 Aug 2025): After referral to House Regulatory Reform, this bill has skipped seven consecutive committee meetings and still has not appeared on the agenda, leaving it stalled.  
New Jersey
S4161 Prohibits release of certain substances into atmosphere for purposes of geoengineering. Immediately Introduced
Prohibits release of certain substances into atmosphere for purposes of geoengineering. Last update
Tue 25 Feb 2025
  Note: (5 Aug 2025): Following referral to Senate Environment and Energy Committee , bill has skipped four consecutive committee meetings and remains stalled  
Ohio
HB272 Regards food dyes, PFAS, fluoride, and certain substance releases Introduced
⚖ Part of a broader act banning food dyes and PFAS, this bill classifies the intentional dispersion of chemicals to affect weather or sunlight as a fourth-degree misdemeanor with a mandatory $10,000 fine per violation,. Last update
Wed 14 May 2025
  Note: (8 June 2025) A fairly recently introduced bill, but has not made the agenda for two meetings so far  
HB290 Enact the Atmosphere Protection Act Introduced
⚖ This bill prohibits solar radiation modification and space-based reflectors as a strict liability offense, mandating a $500,000 minimum fine and a 36-month prison term for violators,,. Last update
Wed 21 May 2025
  Note: (8 June 2025): After its 21 May referral, the House Natural Resources Committee has not met again, so the bill is still waiting for its first hearing.  
Pennsylvania
SB508 Prohibiting solar radiation modification or sunlight reflection methods, cloud seeding and polluting atmospheric interventions within this Commonwealth; imposing duties on the Pennsylvania State Police and sheriffs; and imposing penalties. Immediately Introduced
⚖ This legislation prohibits polluting atmospheric interventions—defined to include acts by artificial intelligence—as a felony with a $500,000 minimum fine, authorizing State Police and sheriffs to refer violations to the Air National Guard,,. Last update
Fri 21 Mar 2025
  Note: (8 June 2025): This bill has missed one Senate Agriculture & Rural Affairs Committee so far. The bill sponsor, Mastriano, is actively pushing the bill, so it may appear on the next meeting, currently unscheduled.  
HB1167 Prohibiting solar radiation modification or sunlight reflection methods, cloud seeding and polluting atmospheric interventions within this Commonwealth; imposing duties on the Pennsylvania State Police and sheriffs; and imposing penalties. Immediately Introduced
⚖ This legislation prohibits cloud seeding and "polluting atmospheric interventions"—specifically defined to include acts by artificial intelligence—as a felony with a $500,000 minimum fine, authorizing the State Police to refer violations to the Air National Guard, Last update
Mon 7 Apr 2025
  Note: (8 June 2025): Since the bills referral, the House Environmental & Natural Resource Protection Committee has met five times without putting the bill on the agenda, so it remains idle.  
US Congress
HB4403 Clear Skies Act Introduced
To prohibit weather modification within the United States, and for other purposes. Last update
Tue 15 Jul 2025
Introduced
In recess
Passed One Chamber
Passed Both Chambers
Enacted
Failed
Geoengineering
Cloud Seeding
Pollution
Weather
Unknown