Congress is out of session until Monday, November 9 for the midterm campaign. No new roll-call votes until then; the last were the House on Sep 16 and the Senate on Sep 30.

People / Christopher A. Coons / Questions / Environmental Protection

How did Christopher A. Coons vote on Environmental Protection?

Christopher A. Coons voted Yea on 5 and Nay on 13 of the 19 Environmental Protection roll calls in the Senate in the 119th Congress, and did not vote on 1, as of Nov 1, 2026.

On the 17 of those where most Democrats and most Republicans voted on opposite sides, he voted with Democrats 100% of the time (median for Senate Democrats: 100%).

Environmental Protection votes
Yea5
Nay13
Did not vote1
Environmental Protection roll calls in the Senate19
With Democrats on party-line votes17 of 17 (100%)
Senate Democrats, median100%

Source: Voteview roll calls (UCLA) · policy area of each bill from congress.gov · How we measure · Updated Nov 1, 2026

The 10 most recent of 19 Environmental Protection votes

DateMeasureTitleVote Party split (yea)Result
Aug 5, 2026 S.J.Res. 187 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 "Modification to the Start of the Submission Period for Perfluoroalkyl and Polyfluoroalkyl Substances (PFAS) Reporting and Recordkeeping Under TSCA 8(a)(7)".On the Motion to Proceed Yea Failed
48–50
Jun 3, 2026 S.J.Res. 188 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 "National Emission Standards for Hazardous Air Pollutants: Coal- and Oil-Fired Electric Utility Steam Generating Units: Final Repeal".On the Motion to Proceed Yea Failed
46–53
Apr 29, 2026 S.J.Res. 139 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".On the Motion to Proceed Yea Failed
46–52
Jan 7, 2026 S.J.Res. 86 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 Approval; South Dakota; Regional Haze Plan for the Second Implementation Period".On the Motion to Proceed · This joint resolution nullifies the Environmental Protection Agency (EPA) final rule titled Air Plan Approval; South Dakota; Regional Haze… Not voting Failed
43–50
Nov 19, 2025 S.J.Res. 76 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 "Extension of Deadlines in Standards of Performance for New, Reconstructed, and Modified Sources and Emissions Guidelines for Existing Sources: Oil and Natural Gas Sector Climate Review Final Rule".On the Motion to Proceed · This joint resolution nullifies the rule issued by Environmental Protection Agency titled Extension of Deadlines in Standards of… Yea Failed
46–51
Oct 29, 2025 S.J.Res. 69 A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the United States Fish and Wildlife Service relating to "Record of Decision for the Barred Owl Management Strategy; Washington, Oregon, and California".On the Motion to Proceed Nay Failed
25–72
Sep 16, 2025 S.J.Res. 60 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 "Emissions Budget and Allowance Allocations for Indiana Under the Revised Cross-State Air Pollution Rule Update".On the Motion to Proceed · This joint resolution nullifies the Environmental Protection Agency interim final rule titled Emissions Budget and Allowance Allocations… Yea Failed
47–51
May 22, 2025 H.J.Res. 89 Providing congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to "California State Motor Vehicle and Engine and Nonroad Engine Pollution Control Standards; The 'Omnibus' Low NOX Regulation; Waiver of Preemption; Notice of Decision".On the Joint Resolution · This joint resolution revokes the waiver granted to the California Air Resources Board regarding new emissions standards for new 2024 and… Nay Passed
49–46
May 22, 2025 H.J.Res. 89 Providing congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to "California State Motor Vehicle and Engine and Nonroad Engine Pollution Control Standards; The 'Omnibus' Low NOX Regulation; Waiver of Preemption; Notice of Decision".On the Motion to Proceed · This joint resolution revokes the waiver granted to the California Air Resources Board regarding new emissions standards for new 2024 and… Nay Passed
51–46
May 22, 2025 H.J.Res. 87 Providing congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to "California State Motor Vehicle and Engine Pollution Control Standards; Heavy-Duty Vehicle and Engine Emission Warranty and Maintenance Provisions; Advanced Clean Trucks; Zero Emission Airport Shuttle; Zero-Emission Power Train Certification; Waiver of Preemption; Notice of Decision".On the Joint Resolution · This joint resolution revokes waivers granted to the California Air Resources Board regarding several of its regulations, including the… Nay Passed
51–45

All 19 are in the full voting record, part of Pro.