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U.S. State Laws on Solar Geoengineering Research

The fact-check is about whether U.S. states have enacted laws that authorize outdoor solar geoengineering research or pilot deployments while banning full deployment.

Fact-Checks

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Jan 12, 2026
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Have any states passed legislation authorizing research or pilot tests of solar geoengineering despite bans on deployment?

No U.S. state has, in the reporting provided, enacted stand‑alone laws that expressly authorize outdoor solar geoengineering research or pilot deployments while simultaneously banning full deployment;...