Geoengineering Bills by State
| Bill # | Details | Effective | Status | |
|---|---|---|---|---|
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2023-2024 Regular Session
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| HF4687 | Harmful atmospheric activity prohibited, and penalties provided. | Died in committee | ||
| Minnesota's HF 4687 goes far beyond typical weather modification bans by establishing a felony offence with $500,000 fines, mandating an elaborate citizen reporting system with 2-hour emergency response requirements, setting specific limits on electromagnetic radiation, and asserting Tenth Amendment authority to override federal approvals for atmospheric activities. The bill uniquely requires officials to actively encourage public monitoring and grants immediate cease-and-desist powers with National Guard enforcement authority. |
Last update Thu 11 Apr 2024 |
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| Note: Remained in Environment and Natural Resources Finance and Policy committee | ||||
| SF4630 | Certain harmful atmospheric activity prohibition | Died in committee | ||
| Minnesota's SF 4630 goes far beyond typical weather modification bans by establishing a felony offence with $500,000 fines, mandating an elaborate citizen reporting system with 2-hour emergency response requirements, setting specific limits on electromagnetic radiation, and asserting Tenth Amendment authority to override federal approvals for atmospheric activities. The bill uniquely requires officials to actively encourage public monitoring and grants immediate cease-and-desist powers with National Guard enforcement authority. |
Last update Thu 11 Apr 2024 |
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| Note: Remained in Environment, Climate, and Legacy committee | ||||
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2025-2026 Regular Session
Session start Tue 17 Feb 2026
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| HF2310 | Prior law prohibiting weather modification reenacted, and criminal penalties provided. | 1 Aug 2026 | Introduced | |
| Minnesota’s HF 2310 prohibits all weather modification activities and asserts the state’s sovereign claim over its airspace, treating each day of violation as a separate misdemeanor offense. Notably described as “reenacting prior law,” this suggests Minnesota is reviving a previously repealed or expired weather modification ban. |
Last update Thu 13 Mar 2025 |
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| Status: Held in Env. and Nat.Resources Finance and Policy committee since Mar 2025 | ||||
| SF2462 | Prior law prohibiting weather modification reenactment | 1 Aug 2026 | Introduced | |
| Minnesota's SF 2462 prohibits all weather modification activities and asserts the state's sovereign claim over its airspace, treating each day of violation as a separate misdemeanour offence. Notably described as "reenacting prior law," this suggests Minnesota is reviving a previously repealed or expired weather modification ban. |
Last update Thu 13 Mar 2025 |
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| Status: Held in Environment, Climate, and Legacy since Mar 2025 | ||||