SB 860 - The act creates provisions relating to weather modification.

Under the act, it shall be unlawful to use any form of weather modification, as defined in the act, in the state.

Any individual or entity deploying chemicals into the atmosphere shall disclose the contents of the chemicals to the Department of Natural Resources in a format determined by the Department.

Any individual or entity deploying chemicals into the atmosphere shall post a bond in the amount of $25,000,000 to cover damages, if any, to the environment caused by the deployment of such chemicals.

Any individual may report instances of weather modification to the Department. The Department shall create a form for such reporting and procedures to investigate whether weather modification occurred.

If the Department finds that weather modification occurred, the Department shall commence a civil action. If the court finds that a violation occurred, the court may grant relief as described in the act.

The Department shall report any known weather modification instances to the Administrator of the National Oceanic and Atmospheric Administration pursuant to federal regulations.

The act shall not preclude the use of pesticides for farming or ranching purposes.

The act changes membership requirements for the Air Conservation Commission from seven to eight members. The new such member shall be knowledgeable in weather modification.

The act changes membership requirements for the Clean Water Commission from seven to eight members. The new such member shall be knowledgeable in weather modification.

JULIA SHEVELEVA

Statutes affected:
Introduced (4680S.02): 640.870, 643.040, 644.021


Senate Committee Minutes:
SENATE COMMITTEE MINUTES Bill No.: SB 860
Sponsor: Moon
Hearing Date: 2/5/2026


COMMITTEE: Agriculture, Food Production and Outdoor Resources

CHAIRMAN: Bean

DATE REFERRED: 1/8/2026 DATE HEARING REQUESTED: 1/8/2026



STAFF:
Kyle Aubuchon
Jackie Buschjost
Julia Sheveleva


WITNESSES GIVING INFORMATION:



WITNESSES FOR:
Michael Hogan - MO Clean Skies
Kendra Hann - MO Clean Skies
Bill Faughn - People of Missouri
Joe Horn - MO Clean Skies
Kevin Bright - MO Caves Association
Robert Workman - Private Citizen
Jamie Woodle - Private Citizen
Jennifer Barker - Informed Health Choice Missouri
Pamela Moehl - Private Citizen
Suzanne Renard Makarewicz - Private Citizen
Brian Moehl - Moehl Family Farms LLC
Lisa Pannett - ArmorVine
Amy Castro - Act For Missouri
Michael Compton - Act For Missouri
Mark Fiegenbaum - MO Farm Bureau


WITNESSES AGAINST:
Jason Moore - Private Citizen
Jennifer Barker - Private Citizen