S.J.Res. 139Heading to a voteEnvironment & energy
Senate moves to restore Colorado's EPA haze plan
Data as of July 11, 2026
Congress is voting on whether to cancel the EPA's rejection of Colorado's plan to reduce haze in national parks and wilderness areas.40-second read · 4 questions answered below
Decoded
What does this do?
This resolution would cancel an EPA rule from January 2026 that rejected Colorado's haze-reduction plan. If passed, the EPA's rejection would be erased and treated as if it never happened, restoring Colorado's original state plan.
Who does it affect?
Colorado residents and visitors to the state's protected natural areas would be most directly affected. Businesses and power plants that could have faced new pollution requirements under any EPA replacement plan would also be affected.
Why does it matter?
If the resolution passes, Colorado keeps its own haze-reduction plan and the EPA cannot force the state to adopt stricter or different pollution controls under the rejected rule. If it does not pass, the EPA's rejection stands and a replacement plan with different requirements could be imposed.
Where does it stand?
- Introduced
- Senate committee
- Senate vote — You are here
- House
- President's desk
Right now: it's headed for a Senate floor vote. If the House changes it, it goes back to the Senate before reaching the President.
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Official title
A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to "Air Plan Disapproval; Colorado; Regional Haze Plan for the Second Implementation Period".
- Introduced:
- March 19, 2026
- Latest action:
- April 29, 2026
Motion to proceed to consideration of measure rejected in Senate by Yea-Nay Vote. 46 - 52. Record Vote Number: 110. (CR S2106)
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