The same idea in several states

The tracking of greenhouse gas emissions; creating a civil penalty

Bills in 3 states whose titles and summaries closely match, earliest first.

States
3
Bills
3
Became law
1
StateBillTitleWhere it standsIntroduced
Texas HB 4049 Relating to the tracking of greenhouse gas emissions; creating a civil penalty. In committee Mar 7, 2025
Maine LD 1870 Resolve, to Assess the Total Cost to the State of Greenhouse Gas Emissions Became law May 1, 2025
Louisiana HB 419 LIABILITY/CIVIL: Relative to civil liability from greenhouse gas emissions In committee Feb 25, 2026

Matched by the words of each bill's official title and summary; a match means closely similar wording, not identical text. Each state's current session.