Cynthia M. Lummis
Senator · WY · R
Current term Jan 3, 2021 – Jan 3, 2027 · In the Senate since Jan 3, 2021
Official websiteContact formBiographical Directory
Portrait: U.S. Government Publishing Office, via unitedstates/images (public domain)
Senator · WY · R
Current term Jan 3, 2021 – Jan 3, 2027 · In the Senate since Jan 3, 2021
Official websiteContact formBiographical Directory
Portrait: U.S. Government Publishing Office, via unitedstates/images (public domain)
48 sponsored bills and resolutions, from Congress.gov.
Introduced Sep 30, 2026 · Science, Technology, Communications
Latest action (Sep 30, 2026): Read twice and referred to the Committee on Commerce, Science, and Transportation.
S.J.Res. 205 · 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 "California State Nonroad Engine Pollution Control Standards; Small Off-Road Engines Regulations; Notice of Decision".
Introduced Aug 5, 2026 · Environmental Protection
Latest action (Aug 5, 2026): Read twice and referred to the Committee on Environment and Public Works.
S. 4956 · Farmers and Ranchers Relief Act of 2026
Introduced Jul 13, 2026 · Environmental Protection
Latest action (Jul 13, 2026): Read twice and referred to the Committee on Environment and Public Works.
Introduced Jun 17, 2026 · Energy
Latest action (Jun 17, 2026): Read twice and referred to the Committee on Energy and Natural Resources.
S. 4619 · Protect Domestic Oil and Gas Small Business Act of 2026
Introduced May 21, 2026 · Environmental Protection
Latest action (May 21, 2026): Read twice and referred to the Committee on Environment and Public Works.
S. 4529 · Build Nuclear with Local Materials Act of 2026
Introduced May 14, 2026 · Energy
Latest action (May 20, 2026): Committee on Environment and Public Works Subcommittee on Clean Air, Climate, and Nuclear Innovation and Safety. Hearings held.
S. 4267 · Strengthening American Nuclear Energy Act of 2026
Introduced Mar 26, 2026 · Energy
Latest action (Mar 26, 2026): Read twice and referred to the Committee on Energy and Natural Resources.
S. 4146 · Local Data for Better Conservation Act
Introduced Mar 19, 2026 · Environmental Protection
Latest action (Mar 19, 2026): Read twice and referred to the Committee on Environment and Public Works.
S.Res. 645 · A resolution recognizing 2026 as the "International Year of Rangelands and Pastoralists".
Introduced Mar 17, 2026 · Agriculture and Food
Latest action (Mar 17, 2026): Referred to the Committee on Energy and Natural Resources. (text: CR S1093-1094)
Introduced Feb 11, 2026 · Environmental Protection
Latest action (Feb 11, 2026): Read twice and referred to the Committee on Environment and Public Works.
S. 3611 · Blockchain Regulatory Certainty Act of 2026
Introduced Jan 12, 2026 · Finance and Financial Sector
Latest action (Jan 12, 2026): Read twice and referred to the Committee on Banking, Housing, and Urban Affairs.
Introduced Dec 17, 2025 · Public Lands and Natural Resources
Latest action (Dec 17, 2025): Read twice and referred to the Committee on Agriculture, Nutrition, and Forestry.
S. 3416 · Safeguarding U.S. Rulemaking Act
Introduced Dec 10, 2025 · Government Operations and Politics
Latest action (Dec 10, 2025): Read twice and referred to the Committee on Homeland Security and Governmental Affairs.
S. 3278 · SMART Infrastructure Act of 2025
Introduced Nov 20, 2025 · Transportation and Public Works
Latest action (Nov 20, 2025): Read twice and referred to the Committee on Commerce, Science, and Transportation.
Introduced Oct 23, 2025 · Environmental Protection
Latest action (Oct 23, 2025): Read twice and referred to the Committee on Energy and Natural Resources.
S.Res. 457 · A resolution designating the week beginning on October 19, 2025, as "Coal Week".
Introduced Oct 20, 2025 · Environmental Protection
Latest action (Oct 20, 2025): Referred to the Committee on the Judiciary. (text: CR S7168)
S. 3007 · Diesel Truck Liberation Act of 2025
Introduced Oct 14, 2025 · Environmental Protection
Latest action (Oct 14, 2025): Read twice and referred to the Committee on Environment and Public Works.
S.J.Res. 89 · A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Bureau of Land Management relating to "Buffalo Field Office Record of Decision and Approved Resource Management Plan Amendment".
Introduced Oct 8, 2025 · Public Lands and Natural Resources
Latest action (Nov 20, 2025): Indefinitely postponed by Senate by Unanimous Consent. (consideration: CR S8395)
Introduced Oct 8, 2025 · Transportation and Public Works
Latest action (Oct 8, 2025): Read twice and referred to the Committee on Commerce, Science, and Transportation.
S.Res. 430 · A resolution designating October 4, 2025, as "National Energy Appreciation Day" to celebrate the people who work to power the United States and the economy of the United States and to build awareness of the important role that the energy producers of the United States play in reducing poverty, strengthening national security, and improving the quality of life for people around the world.
Introduced Oct 3, 2025 · Energy
Latest action (Oct 3, 2025): Referred to the Committee on the Judiciary. (text: CR S6934-6935)
S. 2952 · $2.50 for America’s 250th Act
Introduced Sep 30, 2025 · Finance and Financial Sector
Latest action (Sep 30, 2025): Read twice and referred to the Committee on Banking, Housing, and Urban Affairs.
S. 2579 · Endangered Species Recovery Act of 2025
Introduced Jul 31, 2025 · Environmental Protection
Latest action (Jul 31, 2025): Read twice and referred to the Committee on Environment and Public Works.
S. 2471 · 21st Century Mortgage Act of 2025
Introduced Jul 28, 2025 · Finance and Financial Sector
Latest action (Jul 28, 2025): Read twice and referred to the Committee on Banking, Housing, and Urban Affairs.
Introduced Jul 24, 2025 · Education
Latest action (Jul 24, 2025): Read twice and referred to the Committee on Finance.
S. 2273 · Wyoming Education Trust Modernization Act
Introduced Jul 14, 2025 · Public Lands and Natural Resources
Latest action (Oct 5, 2026): Held at the desk.