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Climate
Report
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Decades of Deceit

Why the case against the major fossil fuel companies for fraud and climate damages is so strong.

Climate Change

Climate change is one of the most devastating problems humanity has ever faced—and the clock is running out.

Learn more about Climate
  • Impacts
  • Science
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Call on Congress to invest in affordable climate resilient housing.

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Energy
Report
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Keeping Everyone's Lights On

The grid today is woefully unprepared to meet our current climate reality.

Energy

The energy choices we make today could make or break our ability to fight climate change.

Learn more about Energy
  • Renewable Energy
  • Nuclear Power
  • Fossil Fuels
  • Solutions

Demand power plant outage information be made public.

Act Now
Transportation
Report
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Harnessing the Power of Electric Vehicles

UCS research shows that vehicle-grid integration (VGI) enables electric system savings, ranging from $1.8 billion - $11.7 billion per year in 2045.

Transportation

Our transportation system is outdated and broken—and it needs to change.

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Tell Congress we need electric vehicle infrastructure nationwide.

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Food
Activist Resource
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Guiding California's Land Transitions Toward Justice and Equity

Analyses of the current challenges and solutions in California's cropland transition.

Food and Farms

The US food system should be providing healthy, sustainable food for everyone. Why isn’t it?

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  • Sustainable Agriculture
  • Healthy Food
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The farm bill must center communities, not corporations.

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Nuclear Weapons
Report
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Plutonium Pit Production

The US plan to build new plutonium pits for nuclear weapons is unnecessary, risky, and dangerous to the health of workers and communities.

Nuclear Weapons

They’re the most dangerous invention the world has ever seen. Can we prevent them from being used again?

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  • Worldwide
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Tell Congress: No more nuclear weapons testing.

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Science & Democracy
Report
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Access Denied

The Trump administration is evading legal requirements as it attacks a wide range of public health, environmental, and safety rules.

Science and Democracy

Democracy and science can be powerful partners for the public good—and both are under attack.

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Help strengthen scientific integrity at federal agencies.

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Report
a refinery can be seen from the residential neighborhood abutting it

Petroleum Phaseout Plan for California

A changing fuel landscape in California will require new rules.
Two smokestacks at night.

The UCS Gas Plant Alternatives Tool (GPAT)

GPAT is an interactive tool for understanding pollution from specific gas power plants, and the impact that biomethane, CCS, and hydrogen can have on their carbon emissions.
Press Release
A thumbnail that reads 'For Immediate Release'
October 11, 2024

California Plan to Prevent Gasoline Price Spikes During Refinery Shutdowns Passes the Senate

Press Release
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October 11, 2024

Nobel Peace Prize Highlights Current-Day Risks of Nuclear Weapons

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Athena Motavvef

Senior Washington Representative
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Ryan Fleischer

Art Director
Activist Resource
The dome in Hiroshima

An Activist's Guide to Radiation and Human Health

Essential readings for understanding the world of radiation, radioactive materials, and the threats they pose to human health
Activist Resource
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The Language of Radiation: A Glossary

This glossary is intended to help advocates navigate the technical language of nuclear weapons and, specifically, radiation and human health outcomes.
Press Release
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October 4, 2024

UCS Offers Recommendations to Reduce Gerrymandering

Explainer
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How Radiation Interacts with the Human Body

Radiation is absorbed by humans in many ways, and can harm the human body in the short and long term.

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