Geoengineering Bills by Year
| Bill # | Details | Effective | Status | |
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Idaho (2015 Regular Session)
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| S1100 | Amends existing law to provide that under specified conditions a watermaster may acquire, hold and dispose of real and personal property, equipment and facilities for the proper administration of the water district and enhancement of water supplies, to provide that under specified conditions a watermaster may develop, coordinate or provide for certain weather modification projects; and to provide that if specified funds are not sufficient to cover expenses in implementing certain resolutions, such expenses shall come from assessments. | 1 Jul 2015 | Passed | |
| Idaho's first legislative step toward cloud seeding: rather than creating a statewide program, this 2015 law empowers individual water districts to authorise their watermasters to participate in weather modification projects. |
Last update Mon 23 Mar 2015 |
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| Note: Conclusion: Reported Signed by Governor on March 23, 2015; Session Law Chapter 82; Effective July 1, 2015. | ||||
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Nevada (2015 Regular Session)
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| 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 |
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New Mexico (2015 Regular Session)
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| HB255 | Lea & roosevelt county weather modification | Died in chamber | ||
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Last update Mon 2 Feb 2015 |
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| SB589 | Lea & roosevelt weather modification | Died in chamber | ||
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Last update Wed 25 Feb 2015 |
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Oklahoma (2015 Regular Session)
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| HB1420 | Waters and water rights; repealing the Oklahoma Weather Modification Act; effective date. | Passed | ||
| Oklahoma completely repealed its Weather Modification Act in 2015, eliminating state oversight of cloud seeding operations rather than adding restrictions. This represents the opposite trajectory of current 2025 legislative trends, where states are rushing to ban or regulate geoengineering activities. |
Last update Tue 21 Apr 2015 |
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| Note: HB 1420 became Chapter 102, effective November 1 | ||||
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Rhode Island (2015 Regular Session)
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| H5480 | Geoengineering | Held for further study | ||
| Rhode Island House Bill 5480, introduced in 2015, would have required anyone seeking to conduct geoengineering activities including solar radiation management or atmospheric carbon removal to obtain permission from the state environmental director following public hearings, with violations punishable by fines up to five hundred dollars and imprisonment up to ninety days. |
Last update Thu 21 May 2015 |
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