Blanket weather-modification ban may chill climate research and block atmospheric science.

What it does

This bill makes weather modification illegal in the United States, imposing criminal penalties (up to $100,000 fine and 5 years imprisonment) and civil penalties (up to $10,000 per violation) on anyone who knowingly conducts or authorizes weather modification activities. It repeals all existing federal authorities permitting weather modification, bars federal agencies and federal-fund recipients from conducting weather research on the topic, and establishes public and aircraft-operator reporting systems to detect violations.

Why we flagged it

The bill's core function is a blanket criminal and civil prohibition on weather modification activities, coupled with repeal of all existing federal authorities permitting such activities. It is a regulatory prohibition, not a subsidy, carve-out, or commemorative measure.

What the text implies

• The definition of 'weather modification' is so broad it may criminalize routine atmospheric science, agricultural cloud seeding (a decades-old practice), and legitimate climate-research activities, potentially chilling federal investment in climate solutions.
• Section 5's blanket prohibition on federal research and experimentation may prevent the U.S. government from studying geoengineering or solar radiation management—technologies that may become necessary for climate adaptation—leaving the field to private actors or foreign governments.
• The reporting system (section 3) creates a public surveillance mechanism for aircraft and atmospheric activities, with no privacy safeguards, exemptions for legitimate research, or standards for distinguishing weather modification from routine aviation or meteorological operations.
• The 90-day effective date provides minimal transition time for federal agencies to wind down existing weather-related research programs, potentially disrupting ongoing scientific work and creating legal jeopardy for researchers mid-project.

Section numbers refer to the bill text the analysis read — linked under Primary records below.

Who it affects

The bill protects citizens from potentially unregulated atmospheric interventions and establishes transparency through public reporting systems, which are public-interest gains. However, the definition of 'weather modification' is extraordinarily broad—encompassing geoengineering, cloud seeding, stratospheric aerosol injection, and marine cloud brightening—and the blanket prohibition on federal research may foreclose legitimate climate-mitigation research that could benefit public welfare, creat

Named in the bill

Environmental Protection Agency (EPA), Federal Aviation Administration (FAA), National Oceanic and Atmospheric Administration (NOAA), National Aeronautics and Space Administration (NASA), Department of Agriculture, Department of the Interior, Attorney General, Clean Air Act, Toxic Substances Control Act

Where it stands

4 cosponsors: 4 Republicans.

• Feb 9, 2026 — Introduced · Congress.gov: “Introduced in House”
• Feb 9, 2026 — Referred to House Committee on Science, Space, and Technology and House Committee on Transportation and Infrastructure · Congress.gov: “Referred to the Committee on Energy and Commerce, and in addition to the Committees on Transportation and…”

Dates and quoted wording are Congress.gov's action record; the timeline shows status changes, not every procedural step.