GeoLawWatch: Tracking Weather & Climate Legislation

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

Geoengineering Bills by State

Bill # Details Effective Status
2015 Regular Session
SB423 Makes an appropriation for the awarding of grants to support certain cloud seeding operations. (BDR S-483) Died in chamber
This 2015 Nevada bill represents the opposite legislative approach to atmospheric modification—rather than banning geoengineering, it would have appropriated $500,000 to fund cloud-seeding operations aimed at increasing the state's water supply. Last update
Tue 2 Jun 2015
2023 Regular Session
SB99 Makes an appropriation to the Desert Research Institute of the Nevada System of Higher Education to support the Nevada State Cloud Seeding Program. (BDR S-592) Passed
Nevada continued its legislative support for weather modification with this $1.2 million appropriation to fund the state's official cloud seeding program—demonstrating that while some states move to ban atmospheric intervention, others actively fund it as water supply infrastructure. Last update
Thu 15 Jun 2023
2025 Regular Session Session Adjourn Mon 2 Jun 2025
SB6 Makes an appropriation to the Desert Research Institute of the Nevada System of Higher Education to support the Nevada State Cloud Seeding Program. (BDR S-389) Passed
Nevada's 2025 cloud seeding appropriation demonstrates the stark policy divide among western states—while neighbouring states debate geoengineering bans, Nevada continues funding weather modification as routine water infrastructure, unanimously passing its third consecutive biennial appropriation for the program. Last update
Mon 9 Jun 2025