Climate
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Colliding Crises
Across the US, the housing crisis and climate change-fueled extreme heat are increasingly colliding.
Video
UCS: What We Do
Breathtaking imagery from photographer Daniel Beltrá showcases the range of issues that UCS works on.
Report
Working with Nature to Protect California's Agricultural Regions
California’s agricultural regions face many interconnected challenges. Implementing nature-based solutions will address climate and water issues, provide public health, environmental and community benefits all while decreasing taxpayer costs.
Activist Resource
Guiding California's Land Transitions Toward Justice and Equity
Analyses of the current challenges and solutions in California's cropland transition.
Energy
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UCS: What We Do
Breathtaking imagery from photographer Daniel Beltrá showcases the range of issues that UCS works on.
Report
Understanding California’s Transmission Development Delays and Paths to Reform
California’s investor-owned utilities have not delivered the transmission buildout to meet state goals, nor have they fully addressed the reasons for continued delays.
Report
Keeping Everyone's Lights On
The grid today is woefully unprepared to meet our current climate reality.
Feature
Fossil Fuel Climate Deceit Timeline
Fossil fuel companies foresaw the devastating impacts of climate change more than 60 years ago.
Food
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UCS: What We Do
Breathtaking imagery from photographer Daniel Beltrá showcases the range of issues that UCS works on.
Report
Road Map Toward Just Land Transition California
Through California's Sustainable Groundwater Management Act, the San Joaquin Valley is undergoing a just land transition aiming to address groundwater depletion caused by irrigated agriculture.
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
Science and Environmental Justice
An archive of preserved federal government documents on environmental justice and scientific issues.
Nuclear Weapons
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UCS: What We Do
Breathtaking imagery from photographer Daniel Beltrá showcases the range of issues that UCS works on.
Download
Golden Dome: A Science-based Assessment
A comprehensive missile defense system such as Golden Dome is almost certainly technically infeasible and pursuing such a system will likely waste hundreds of billions of dollars on inherently ineffective systems.
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
Science and Environmental Justice
An archive of preserved federal government documents on environmental justice and scientific issues.
Transportation
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UCS: What We Do
Breathtaking imagery from photographer Daniel Beltrá showcases the range of issues that UCS works on.
Report
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.
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.
Video
Investing in Transportation Choices
It's time we invest in transportation choices for a clean, prosperous, and just future.
Science & Democracy
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Using the FACA Database
Learn how to use existing resources to help set up your independent advisory committee.
Activist Resource
The Independent Science Initiative
UCS is building an alliance for independent science.
Activist Resource
Independent Science Committees
Establish science infrastructure outside of government and ensure that essential science advice remains available for those who need it.
Video
UCS: What We Do
Breathtaking imagery from photographer Daniel Beltrá showcases the range of issues that UCS works on.