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Our campaigns
Science & Democracy
Save Science, Save Lives
President-elect Trump is laying the groundwork to attack science and purge government scientists and experts. We can't let that happen.
Science & Democracy
Democracy & Justice
Building A Healthier Democracy
We need a democracy that gives everyone a voice in decisionmaking if we want policies that truly serve the common good.
Food
Protecting Farmland and the Future of Our Food
We're building a food system to meet the challenges of the 21st century—and we need your help.
Climate
Disinformation
Fossil Fuels
Climate Accountability
Major fossil fuel companies studied climate change. Then they denied it. Now they should be held accountable.
Climate
Impacts
Science
The Climate Campaign for the Future
Scientists and activists working for climate justice together.
Climate
Energy
Transportation
Transforming Transportation
Our transportation system is a mess. Let’s fix it.
Nuclear Weapons
US Weapons
Global Issues
Preventing Nuclear War
We're mobilizing scientists, activists, and everyday people to help change US nuclear policy.
Activist resources
Activist Resource
Guiding California's Land Transitions Toward Justice and Equity
Analyses of the current challenges and solutions in California's cropland transition.
Activist Resource
Scientific Societies Call on Congress to Save Science
This open letter, signed by more than 40 prominent scientific societies and organizations, was delivered to Congress in March 2025.
Activist Resource
Cumulative Impacts: Recommendations for EPA
To improve environmental health, UCS prepared eight fact sheets summarizing the recommendations of the NEJAC Cumulative Impacts Workgroup to the EPA.
Activist Resource
Freight
Electrifying vehicles in the freight system is one promising solution towards addressing toxic diesel pollution.