Geoengineering Bills by State
2025-2026 Regular Session
Adjourned Session ended May 31, 2026
Governor: J.B. Pritzker
| Bill # | Details | Effective | Status | |
|---|---|---|---|---|
|
2023-2024 Regular Session
|
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| SB0134 | WEATHER MODIFICATION-SEEDING | Sine die | ||
| A minimalist two-page bill that would ban all weather modification in Illinois but provides no penalties, no enforcement agency, and no mechanism for compliance, making it a symbolic prohibition rather than an enforceable law. |
Last update Tue 7 Jan 2025 |
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| Note: Assigned to Environment and Conservation, returned to assignments - no further action taken. | ||||
| SB3095 | WEATHER MODIFICATION-SEEDING | Sine die | ||
| A word-for-word reintroduction of Senator Anderson's failed 2023 weather modification ban, which met the same fate in a different committee - twice postponed, then returned to Assignments, where it died without a vote despite an attempted amendment. |
Last update Tue 7 Jan 2025 |
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| Note: Twice, assigned to Executive committee, and returned to assignments until sine die | ||||
|
2025-2026 Regular Session
Session Adjourn Sun 31 May 2026
|
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| SB1426 | WEATHER MODIFICATION-SEEDING | Superseded | ||
| Illinois opts for the most straightforward possible approach to weather modification regulation: a complete prohibition with no accompanying enforcement provisions, penalties, or an administrative framework. |
Last update Thu 13 Mar 2025 |
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| Note: Wording tweaked and reintroduced as SB2956 | ||||
| SB2956 | WEATHER MODIFICATION ACT | Sine die | ||
| Illinois SB2956 declares weather modification prohibited statewide but provides no enforcement mechanism, penalties, or regulatory frameworkâmaking it a purely symbolic prohibition that couldn't actually stop anyone from cloud seeding. |
Last update Tue 27 Jan 2026 |
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| Note: Remained in assignments | ||||
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