HF 2527: Providing a limitation on civil or criminal liability for any alleged actual or potential effect on climate caused wholly or partly by a greenhouse gas emission

What it does

This bill limits civil or criminal liability arising from any alleged actual or potential effect on climate caused wholly or partly by a greenhouse gas emission attributable to a defendant. A greenhouse gas includes a gas originating from an agricultural or renewable fuel source, or a number of specific gases, including carbon dioxide, hydrofluorocarbons, methane, nitrogen trifluoride, nitrous oxide, sulfur hexafluoride, or a perfluorocarbon., United States environmental protection agency). The bill provides that its provisions are not to be construed as creating a right to bring a civil or criminal action or a judicial remedy.

House subcommittee · named February 9, 2026

• Rep. Derek Wulf (R) · derek.wulf@legis.iowa.gov
• Rep. Travis M. Sitzmann (R) · travis.sitzmann@legis.iowa.gov
• Rep. Dr. Megan L. Srinivas (D) · megan.srinivas@legis.iowa.gov

Lobbying · 16 for, 7 against

For: Agribusiness Association of Iowa; American Petroleum Institute; FUELIowa (PMCI); Iowa Association of Business and Industry (ABI); Iowa Attorney General Dept. of Justice; Iowa Cattlemen's Association; Iowa Corn Growers Association; Iowa Farm Bureau Federation; Iowa Institute for Cooperatives; Iowa Insurance Associates; Iowa Pork Producers Association; Iowa Propane Gas Association; and 4 more

Against: Animal Legal Defense Fund; Food & Water Watch; Iowa Atheists and Freethinkers; Iowa Chapter of Sierra Club; Iowa Environmental Council; League of Women Voters of Iowa; The Nature Conservancy

In plain words

1. February 9, 2026Filed in the House and sent to the Agriculture committee · as HSB 693
2. February 9, 2026House subcommittee named: Wulf, Sitzmann and Srinivas · as HSB 693
3. February 10, 2026Subcommittee recommended passing it · as HSB 693
4. February 10, 2026Approved by the House committee · as HSB 693
5. February 10, 2026Committee vote: 20–3 · as HSB 693
6. February 16, 2026Filed in the House
7. February 16, 2026Approved by the House committee, and given a new number: HF 2527 · as HSB 693
8. February 26, 2026Passed the House, 66–24
9. March 2, 2026Arrived in the Senate
10. March 24, 2026Took the place of SF 2427 on the Senate floor (the same legislation)
11. March 24, 2026Passed the Senate, 33–13
12. April 30, 2026Sent to the Governor
13. April 30, 2026Signed into law