Chris Van Hollen
Senator · MD · D
Current term Jan 3, 2023 – Jan 3, 2029 · In the Senate since Jan 3, 2017
Official websiteContact formBiographical Directory
Portrait: U.S. Government Publishing Office, via unitedstates/images (public domain)
Senator · MD · D
Current term Jan 3, 2023 – Jan 3, 2029 · In the Senate since Jan 3, 2017
Official websiteContact formBiographical Directory
Portrait: U.S. Government Publishing Office, via unitedstates/images (public domain)
678 cosponsored bills and resolutions, from Congress.gov. Withdrawn cosponsorships are labeled.
S.Res. 561 · A resolution recognizing that particulate matter pollution can cause heart attacks, asthma, strokes, and premature death.
Introduced Dec 17, 2025 · cosponsored Dec 17, 2025 · original cosponsor · Environmental Protection
Latest action (Dec 17, 2025): Referred to the Committee on Environment and Public Works.
S.Res. 560 · A resolution recognizing that mercury pollution can cause severe health problems, including permanent brain damage, kidney damage, and birth defects.
Introduced Dec 17, 2025 · cosponsored Dec 17, 2025 · original cosponsor · Environmental Protection
Latest action (Dec 17, 2025): Referred to the Committee on Environment and Public Works.
S.Res. 559 · A resolution recognizing that climate change is making wildfires more frequent, more intense, and more destructive.
Introduced Dec 17, 2025 · cosponsored Dec 17, 2025 · original cosponsor · Environmental Protection
Latest action (Dec 17, 2025): Referred to the Committee on Homeland Security and Governmental Affairs.
S.Res. 558 · A resolution recognizing that climate change-driven extreme weather events are increasing at the same time that the government is dismantling weather monitoring and alert systems.
Introduced Dec 17, 2025 · cosponsored Dec 17, 2025 · original cosponsor · Science, Technology, Communications
Latest action (Dec 17, 2025): Referred to the Committee on Commerce, Science, and Transportation.
S.Res. 557 · A resolution recognizing that climate change portends a cascade of financial market collapses that would destabilize the national and global economies.
Introduced Dec 17, 2025 · cosponsored Dec 17, 2025 · original cosponsor · Finance and Financial Sector
Latest action (Dec 17, 2025): Referred to the Committee on Banking, Housing, and Urban Affairs.
S.Res. 556 · A resolution recognizing that Florida's insurance market is gravely stressed by climate risks.
Introduced Dec 17, 2025 · cosponsored Dec 17, 2025 · original cosponsor · Finance and Financial Sector
Latest action (Dec 17, 2025): Referred to the Committee on Banking, Housing, and Urban Affairs.
S.Res. 555 · A resolution recognizing that climate change poses a threat to the mortgage market and to home values.
Introduced Dec 17, 2025 · cosponsored Dec 17, 2025 · original cosponsor · Finance and Financial Sector
Latest action (Dec 17, 2025): Referred to the Committee on Banking, Housing, and Urban Affairs.
S.Res. 554 · A resolution recognizing the strong link between climate change and skyrocketing insurance premiums.
Introduced Dec 17, 2025 · cosponsored Dec 17, 2025 · original cosponsor · Finance and Financial Sector
Latest action (Dec 17, 2025): Referred to the Committee on Banking, Housing, and Urban Affairs.
S.Res. 553 · A resolution recognizing that climate change is real.
Introduced Dec 17, 2025 · cosponsored Dec 17, 2025 · original cosponsor · Environmental Protection
Latest action (Dec 17, 2025): Referred to the Committee on Environment and Public Works.
S.Res. 552 · A resolution recognizing that oceans are warming due to human-caused climate change.
Introduced Dec 17, 2025 · cosponsored Dec 17, 2025 · original cosponsor · Public Lands and Natural Resources
Latest action (Dec 17, 2025): Referred to the Committee on Commerce, Science, and Transportation.
S.Res. 551 · A resolution recognizing that sea levels are rising at accelerated rates due to human-caused climate change.
Introduced Dec 17, 2025 · cosponsored Dec 17, 2025 · original cosponsor · Environmental Protection
Latest action (Dec 17, 2025): Referred to the Committee on Commerce, Science, and Transportation.
S.Res. 550 · A resolution recognizing that climate change is not a hoax, but sound science.
Introduced Dec 17, 2025 · cosponsored Dec 17, 2025 · original cosponsor · Environmental Protection
Latest action (Dec 17, 2025): Referred to the Committee on Environment and Public Works.
S. 3557 · States' Right to Regulate AI Act
Introduced Dec 17, 2025 · cosponsored Dec 17, 2025 · original cosponsor · Science, Technology, Communications
Latest action (Dec 17, 2025): Read twice and referred to the Committee on Commerce, Science, and Transportation.
S. 3550 · Schedules That Work Act
Introduced Dec 17, 2025 · cosponsored Dec 17, 2025 · original cosponsor · Government Operations and Politics
Latest action (Dec 17, 2025): Read twice and referred to the Committee on Health, Education, Labor, and Pensions.
S. 3538 · Student Loan Tax Elimination Act
Introduced Dec 17, 2025 · cosponsored Dec 17, 2025 · original cosponsor · Education
Latest action (Dec 17, 2025): Read twice and referred to the Committee on Health, Education, Labor, and Pensions.
S. 3529 · Public Health Air Quality Act of 2025
Introduced Dec 17, 2025 · cosponsored Dec 17, 2025 · original cosponsor · Environmental Protection
Latest action (Dec 17, 2025): Read twice and referred to the Committee on Environment and Public Works.
S. 3524 · American Battlefield Protection Program Amendments Act of 2025
Introduced Dec 17, 2025 · cosponsored Sep 15, 2026 · Public Lands and Natural Resources
Latest action (Sep 30, 2026): Committee on Energy and Natural Resources. Ordered to be reported with an amendment in the nature of a substitute favorably.
S. 3523 · Clean Competition Act
Introduced Dec 17, 2025 · cosponsored Dec 17, 2025 · original cosponsor · Taxation
Latest action (Dec 17, 2025): Read twice and referred to the Committee on Finance.
S. 3512 · Medicare Investment and Gun Violence Prevention Act
Introduced Dec 16, 2025 · cosponsored Dec 16, 2025 · original cosponsor · Taxation
Latest action (Dec 16, 2025): Read twice and referred to the Committee on Finance.
S. 3477 · Support Our Troops Shipping Relief Act of 2025
Introduced Dec 15, 2025 · cosponsored Dec 18, 2025 · Government Operations and Politics
Latest action (Dec 15, 2025): Read twice and referred to the Committee on Homeland Security and Governmental Affairs.
Introduced Dec 15, 2025 · cosponsored Jan 27, 2026 · Health
Latest action (Dec 15, 2025): Read twice and referred to the Committee on Finance.
S.Res. 542 · A resolution commemorating the 50th anniversary of Southeast Asian refugee resettlement and the many contributions and sacrifices of Southeast Asian Americans to the United States.
Introduced Dec 11, 2025 · cosponsored Dec 11, 2025 · original cosponsor · International Affairs
Latest action (Dec 11, 2025): Referred to the Committee on the Judiciary. (text: CR S8676)
S. 3458 · Background Check Completion Act of 2025
Introduced Dec 11, 2025 · cosponsored Dec 11, 2025 · original cosponsor · Crime and Law Enforcement
Latest action (Dec 11, 2025): Read twice and referred to the Committee on the Judiciary.
Introduced Dec 11, 2025 · cosponsored Dec 11, 2025 · original cosponsor · Armed Forces and National Security
Latest action (Dec 11, 2025): Read twice and referred to the Committee on Armed Services.
S. 3448 · Keeping All Students Safe Act
Introduced Dec 11, 2025 · cosponsored Dec 11, 2025 · original cosponsor · Education
Latest action (Dec 11, 2025): Read twice and referred to the Committee on Health, Education, Labor, and Pensions.