Wyoming 2026 Session Status: Introduced

HB 12 — Clean Air and Geoengineering Prohibition Act.

Last action — H Failed Introduction 24-38-0-0-0

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  1. 1
    Introduced
  2. 2
    In Committee
  3. 3
    Passed House
  4. 4
    Passed Senate
  5. 5
    To Executive
  6. 6
    Enacted

This bill has been introduced in the House. Introduced December 06, 2025. It must pass committee before a floor vote.

Next likely step: a committee referral and hearing.

Prognosis

Not enough signal yet

Where this bill stands today.

Odds of enactment

Low

How often bills like it became law.

Not enough signal yet to read this bill's trajectory — we surface a likelihood only once there's real movement (stage, sponsorship, committee, or votes) to point to.

Prognosis reads this bill's own signals — stage, sponsorship breadth, committee status, recorded votes and cross-state momentum. Odds come from a model trained on which bills have become law.

Summary

AN ACT relating to environmental quality; prohibiting the release of atmospheric contaminants into the airspace above Wyoming as specified; providing legislative findings; providing definitions; authorizing the director of the department of environmental quality to monitor compliance with this act and issue cease and desist orders as specified; prohibiting retaliation against persons who report violations of this act; providing criminal penalties; providing positions; providing appropriations; requiring rulemaking; making conforming amendments; and providing for an effective date.

Bill Text

Action History

  1. H Failed Introduction 24-38-0-0-0

  2. H Received for Introduction

  3. Bill Number Assigned

Sponsors

  • State and Public Lands and Water Resources Agriculture · Primary

Sponsorship breakdown

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1 sponsors · 0 co-sponsors · 92 not signed on

Sponsors (1)

  • Agriculture, State and Public Lands and Water Resources

Co-sponsors (0)

None.

Not signed on (92)

92 members have not signed on to this bill.

Show all 92 →

"Not signed on" means a member has not sponsored or co-sponsored this bill — it does not imply opposition. Members flagged Voted No have a recorded No vote on this bill.

Whip count is in markup. Polling the chamber and every recorded vote this session. Only the first open is slow. It’s instant for you after this. Calling the roll · Tallying · Engrossing

Subjects

Cross-referencing the record. Reading this bill against every other bill in the corpus by meaning, not keywords. Only the first open is slow. It’s instant for you after this. Matching · Ranking · Engrossing

Frequently asked questions

What does HB 12 do?
AN ACT relating to environmental quality; prohibiting the release of atmospheric contaminants into the airspace above Wyoming as specified; providing legislative findings; providing definitions; authorizing the director of the department of environmental quality to monitor compliance with this act and issue cease and desist orders as specified; prohibiting retaliation against persons who report violations of this act; providing criminal penalties; providing positions; providing appropriations; requiring rulemaking; making conforming amendments; and providing for an effective date.
Who sponsors HB 12?
HB 12 is sponsored by Agriculture, State and Public Lands and Water Resources.
What is the current status of HB 12?
This bill has been introduced in the House. Introduced December 06, 2025. It must pass committee before a floor vote.
Where can I track HB 12?
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Last checked for changes 3 months ago · updated continuously

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