Amendment to the Montreal Protocol on Substances that Deplete the Ozone Layer (the "Montreal Protocol"), adopted at Kigali on October 15, 2016, by the Twenty-Ei

On Sep 21, 2022, the Senate voted 69–27 on “On the Resolution of Ratification” (TREATYDOC 1171). Result: Resolution of Ratification Agreed to. By party: Republicans 21–27, Democrats 46–0, Independents 2–0. It was a split vote: the parties took opposite sides, with some members crossing over. 21 members voted against their own party.

During the 117th Congress (2021–2022), Joe Biden was president, and Democrats held the House majority and Republicans the Senate majority.

Result: Resolution of Ratification Agreed to
Yes: 69
No: 27
Did not vote: 6
Date: Sep 21, 2022

By party

Republicans21 yes · 27 no · 3 didn’t vote
Democrats46 yes · 0 no · 3 didn’t vote
Independents2 yes · 0 no

Who broke with their party

Lisa Murkowski R-AK voted yes
John Boozman R-AR voted yes
Marco Rubio R-FL voted yes
Charles Ernest Grassley R-IA voted yes
Joni Ernst R-IA voted yes
Todd Young R-IN voted yes
Jerry Moran R-KS voted yes
Addison Mitchell (Mitch) Mcconnell R-KY voted yes
Bill Cassidy R-LA voted yes
John Neely Kennedy R-LA voted yes
Susan Margaret Collins R-ME voted yes
Roy Blunt R-MO voted yes
Cindy Hyde-Smith R-MS voted yes
Roger F. Wicker R-MS voted yes
Richard M. Burr R-NC voted yes
Thomas Roland (Thom) Tillis R-NC voted yes
Benjamin Eric Sasse R-NE voted yes
Robert Jones (Rob) Portman R-OH voted yes
Lindsey O. Graham R-SC voted yes
Willard Mitt (Mitt) Romney R-UT voted yes
Shelley Moore Capito R-WV voted yes

How each senator voted: Yes

How each senator voted: No

Did not vote

Other votes

From Voteview roll call records.

Cite or embed this page

Capitol Receipts, “Amendment to the Montreal Protocol on…: Senate Vote, Sep 21, 2022,” https://www.capitolreceipts.com/vote/117-S-871/amendment-to-the-montreal-protocol-on-substances-that-deplete (accessed 2026-10-17).