Geoengineering Bills by State
2026 Regular Session
Adjourned Session ended Apr 5, 2026
Governor: Tate Reeves
| Bill # | Details | Effective | Status | |
|---|---|---|---|---|
|
2025 Regular Session
Session Adjourn Thu 3 Apr 2025
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| HB788 | Air quality; prohibit injection of chemicals into atmosphere with purpose of affecting the weather. | Died In Committee | ||
| Mississippi House Bill 788 prohibits the intentional injection, release, or dispersion of chemicals into the atmosphere for the purpose of affecting temperature, weather, or sunlight intensity, integrating this ban into the state’s existing air pollution control framework administered by the Mississippi Commission on Environmental Quality and Permit Board. |
Last update Tue 4 Feb 2025 |
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| Note: Died in Conservation and Water Resources committee | ||||
| SB2005 | Mississippi geoengineering ban; enact. | Died In Committee | ||
| Mississippi Senate Bill 2005 bans all geoengineering activities in the state with felony penalties including minimum $500,000 fines and two years imprisonment, authorizing the Mississippi Commission on Environmental Quality to enact regulations and issue orders to enforce the prohibition. |
Last update Tue 4 Feb 2025 |
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| Note: Remained in Environmental Protection, Conservation, and Water Resources Committee | ||||
| SB2013 | Environmental protection; prohibit chemtrails. | Died In Committee | ||
| Mississippi Senate Bill 2013 bans all geoengineering activities in the state with felony penalties including minimum $500,000 fines and two years imprisonment, authorizing the Mississippi Commission on Environmental Quality to enact regulations and issue orders to enforce the prohibition. |
Last update Tue 4 Feb 2025 |
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| Note: 4th February was the deadline for the Environment Prot, Cons and Water Res committee report | ||||
|
2026 Regular Session
Session Adjourn Sun 5 Apr 2026
|
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| SB2254 | Mississippi geoengineering ban; enact. | Died In Committee | ||
| Mississippi SB 2254 proposes one of the strictest geoengineering penalties in the nation, with a minimum $500,000 fine and mandatory two-year imprisonment for each day of violation, while embedding the prohibition within the state's existing environmental regulatory apparatus rather than creating standalone legislation. |
Last update Tue 3 Feb 2026 |
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| Note: Remained in Environment Prot, Cons and Water Res | ||||
| HB552 | Mississippi geoengineering ban; enact. | Died In Committee | ||
| Mississippi's HB 552 takes an institutional approach to geoengineering prohibition by embedding it within the state's existing environmental regulatory framework under the Department of Environmental Quality. The bill features a notably severe penalty structure with a $500,000 minimum fine and mandatory two-year minimum imprisonment, among the harshest proposed in any state. |
Last update Tue 3 Feb 2026 |
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| Note: Remained in Public Health and Human Services Committee | ||||
| HB1083 | Geoengineering; prohibit certain weather and temperature modification. | Died In Committee | ||
| Mississippi HB1083 criminalises atmospheric modification activities as felonies and creates a public reporting system through the Department of Transportation, but its most distinctive feature is the mandatory monthly airport surveillance requirement compelling all public airports to report the presence of any aircraft equipped with dispersal capability. |
Last update Tue 3 Feb 2026 |
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| Note: Remained in Public Health and Human Services | ||||
| HB1086 | Geoengineering and weather modification; prohibit certain acts related to. | Died In Committee | ||
| Mississippi HB1086 is a textual duplicate of HB1083 filed by a different sponsor, criminalising atmospheric modification as a felony and creating mandatory airport surveillance reporting; the simultaneous introduction of identical bills by Representatives Arnold and Byrd suggests a coordinated legislative strategy to maximise the chances of committee advancement. |
Last update Tue 3 Feb 2026 |
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| Note: Remained in Public Health and Human Services | ||||
| HB1087 | Weather modification and geo engineering; prohibit. | Died In Committee | ||
| Mississippi HB1087 is a stripped-down version of the geoengineering prohibition that omits all enforcement mechanisms, criminal penalties, public reporting systems, and airport surveillance requirements found in the companion bills HB1083 and HB1086, effectively creating a symbolic policy statement rather than enforceable law. |
Last update Tue 3 Feb 2026 |
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| Note: Remained in Public Health and Human Services | ||||
| SB2418 | Environmental protection; prohibit geoengineering. | 1 Jul 2026 | Died On Calendar | |
| Mississippi's bill takes the regulatory integration approach, embedding a prohibition on geoengineering within the state's existing Air and Water Pollution Control Law and delegating rulemaking authority to the environmental commission, rather than creating standalone prohibition language. The minimum penalties—$500,000 fine and two years imprisonment per day of violation—rank among the most severe proposed in any state. |
Last update Thu 12 Feb 2026 |
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| Note: Environment Prot, Cons and Water Resources subcommittee recommended pass, but never made full committee | ||||
| HB1406 | Geoengineering; prohibit certain weather and temperature modification. | Died In Committee | ||
| This bill assigns enforcement to the Department of Transportation rather than environmental or health agencies, creates an unusual public reporting system for "chemtrail-equipped" aircraft at airports, and uses funding leverage rather than direct criminal penalties to ensure airport compliance with monthly surveillance requirements. |
Last update Tue 3 Feb 2026 |
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| Note: Remained in Public Health and Human Services Committee | ||||
| HB1412 | Air quality; prohibit injection of chemicals into atmosphere with purpose of affecting the weather. | Died In Committee | ||
| This is a symbolic prohibition with no teeth: the bill declares atmospheric modification illegal but provides no penalties, an enforcement agency, or a mechanism for anyone to do anything about violations. |
Last update Tue 3 Feb 2026 |
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| Note: Remained in Public Health and Human Services | ||||
| SB2666 | Environmental protection; prohibit chemtrails. | Died In Committee | ||
| Mississippi's SB 2666 embeds a geoengineering prohibition directly into the state's existing pollution control framework, giving the Commission on Environmental Quality explicit regulatory authority rather than creating a standalone enforcement mechanism. The $500,000 minimum fine and mandatory 2-year minimum imprisonment rank among the harshest proposed penalties nationwide. |
Last update Tue 3 Feb 2026 |
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| Note: Remained in Environment Prot, Cons and Water Res committee | ||||
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