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

Where it is now

1. ✓
   Done: IntroducedFebruary 9, 2026
2. ✓
   Done: SubcommitteeFebruary 9, 2026
3. ✓
   Done: House committeeFebruary 10, 2026
4. ✓
   Done: Passes the HouseFebruary 26, 202666–24
5. ✓
   Done: Senate committeeMarch 19, 2026
6. ✓
   Done: Passes the SenateMarch 24, 202633–13
7. ✓
   Done: To the GovernorApril 30, 2026
8. ✓
   Done: Signed into lawApril 30, 2026

Signed into law What’s a funnel?

What’s in it

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.

From the explanation printed with the bill as introduced, written by the Legislative Services Agency. Changed since by amendments S-5059, H-8031; see Amendments. Full bill text · What changed before it passed

House subcommittee

Named February 9, 2026 (as HSB 693). On February 10, 2026 it recommended passage.

• Rep. Derek Wulf REmail
• Rep. Travis M. Sitzmann REmail
• Rep. Dr. Megan L. Srinivas DEmail

Three legislators hear a bill first and recommend what the committee should do; it’s the best time to weigh in. How to take part

Iowa Code it changes

Creates§673B.1§673B.2§673B.3§673B.4

Read from the bill as introduced. Each links to every bill touching that chapter of the Iowa Code. How the Code works

Family tree

Where this legislation came from and where it went: earlier tries, the versions it moved through this Assembly, and later bills built on it.

Earlier and later bills are matched by wording or an identical title; check the text to be sure it’s the same idea.