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

Became SF 2427 → Its progress continues under the new number. Go to SF 2427 What’s a funnel?

What’s in it

_____ 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

Senate subcommittee

Named February 10, 2026. On February 12, 2026 it recommended amendment and passage.

• Sen. Tom Shipley REmail
• Sen. Mark Costello REmail
• Sen. Izaah Knox 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.