Revision: Dec. 1, 2025, 8:49 a.m.
HB 1128 - AS INTRODUCED
2026 SESSION
26-2352
04/09
HOUSE BILL 1128
AN ACT restricting the use of weather modification technologies to declared emergencies.
SPONSORS: Rep. Potenza, Straf. 19; Rep. J. Aron, Sull. 4; Rep. Bernardy, Rock. 36; Rep. Cambrils, Merr. 4; Rep. Ploszaj, Belk. 1; Rep. Sabourin dit Choiniere, Rock. 30; Rep. Morse, Merr. 3; Rep. DeRoy, Straf. 3; Rep. Schneller, Hills. 2; Rep. Bjelobrk, Graf. 5
COMMITTEE: Science, Technology and Energy
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ANALYSIS
This bill authorizes state agencies to engage in weather modification under emergency conditions.
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Explanation: Matter added to current law appears in bold italics.
Matter removed from current law appears [in brackets and struckthrough.]
Matter which is either (a) all new or (b) repealed and reenacted appears in regular type.
26-2352
04/09
STATE OF NEW HAMPSHIRE
In the Year of Our Lord Two Thousand Twenty-Six
AN ACT restricting the use of weather modification technologies to declared emergencies.
Be it Enacted by the Senate and House of Representatives in General Court convened:
1 Weather Modification; Emergency Cloud Seeding. RSA 12-F:1 is repealed and reenacted to read as follows:
12-F:1 Weather Modification Experimentation; Emergency Cloud Seeding.
I. Cloud seeding may only occur in New Hampshire under the following conditions:
(a) The governor, upon the recommendation of the department of environmental services or other relevant agencies, shall declare a state of emergency in response to a catastrophic drought;
(b) A state of emergency for a catastrophic drought shall only be declared when the drought is severe enough to pose a significant risk to the state's water supply, agriculture, public health, or economic stability; or
(c) The state of emergency shall be officially documented and published by the governor's office in accordance with RSA 4:45, and shall include a clear statement that cloud seeding is a necessary measure to mitigate the impacts of the drought.
II. Prior to engaging in cloud seeding, the state shall conduct a 14-day environmental review, assessing potential risks and benefits, and ensuring that the activities will not result in harm to the environment, public health, or wildlife.
III. The department of environmental services shall maintain oversight of all cloud seeding activities to ensure compliance with regulations and to assess the effectiveness of cloud seeding operations. At least one month prior to the presentation of any cloud seeding activities brought forth by the governor, upon the recommendation of the department of environmental services or other relevant agencies, the department of environmental services shall do the following:
(a) Place a public notice in at least 4 newspapers within the state and on the departmental Internet website informing the public of the date and type of the proposed weather modification program or experimentation events within the state.
(b) Disclose to the public the chemical compounds and technologies to be used in the proposed weather modification program or experimentation events in the state, including the effects of the program or experimentation on human health, what wildlife and wildlife habitats may be affected, and the source of funding to perform such program or experimentation.
2 Effective Date. This act shall take effect 60 days after its passage.