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Committee hears bill to limit weather‑modification experiments and atmospheric pollution; witnesses disagree on scale and evidence
Summary
House Bill 5,217, the Rhode Island Clean Air Preservation Act, would prohibit intentional atmospheric pollution from weather‑modification activities; proponents urged state action to prevent unregulated experimentation, while others called for federal leadership and clearer scientific grounding
Representative Shanley, sponsor of House Bill 5,217, told the House Environment and Natural Resources Committee the bill seeks to prohibit intentional pollution of Rhode Island’s atmosphere from weather modification and certain forms of atmospheric experimentation.
“Until we understand what the consequences are, put in place some regulatory framework so that we are not unwittingly or unknowingly allowing something to be put into our environment, our atmosphere that is causing significant long term harm,” Shanley said, describing geoengineering and weather‑modification experiments as growing worldwide and saying some states have begun to legislate on the subject.
Proponents, including Rachel McIntosh, who said she served on a state Geoengineering Study Commission, testified about two categories of concern: traditional cloud‑seeding releases of aerosols and the use of telecommunications and microwave measurement systems in precipitation monitoring. McIntosh testified that commercial cellular microwave links are being used to observe precipitation and that those links and some cloud‑seeding activities amount to “microwave radiation pollution” and “pollution” more broadly.
Witnesses including Claire Stottmuller and Lisa Tanner urged state authority to curb unregulated atmospheric experimentation. “H5217 is not just a bill. It's a necessary assertion of Rhode Island's right to protect its air, its environment, and its people,” Tanner said.
Other witnesses, including Greg Garrett, cautioned against overreaching and stressed that many proposed interventions are experimental and that the federal government and international bodies are typically better placed to regulate such activities. Committee members queried whether the bill could be preempted by federal law and whether radiation limits specified in the bill would affect ordinary telecommunications operations. Multiple members asked for technical briefings and said the bill combined several complex topics and would benefit from further refinement and agency input.
No final committee vote was taken at the hearing; committee members suggested additional testimony from health and scientific agencies to clarify technical claims and possible regulatory conflicts.
