Geoengineering (also called climate engineering) refers to the deliberate, large-scale intervention in the Earth’s natural systems. Think of it as a "macro-hack" of the planet's environment.
Stratospheric Aerosol Injection (SAI): Spraying reflective particles (like sulfur dioxide) into the upper atmosphere.
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Representative Marjorie Taylor Greene introduced H.R. 4403, titled the "Clear Skies Act of 2025," on July 15, 2025. This bill aims to prohibit, penalize, and investigate weather modification activities, such as cloud seeding or geoengineering, within the United States. It would ban the intentional release of substances into the atmosphere to alter weather patterns.
Referred to the Committees on Energy and Commerce, Transportation and Infrastructure, and Science, Space, and Technology.
HR4403 prohibits knowingly conducting weather modification in the US both for commercial and military operations. HR4403 also prohibits weather modification on the seas, and within “the special aircraft jurisdiction of the United States, or any territory or possession of the United States.” Included in the “special aircraft jurisdiction” is any aircraft of the United States armed forces.