Table of Contents
We’ve combined science and advocacy for more than fifty years. The results speak for themselves.
Assembled below is a list of recent UCS-driven wins and major milestones, chronicling the many ways we act at the intersection of science and policy. Each success is made possible through the power of our staff, Science Network, activists, and committed members.
Recent wins

Jonathan Schmer/Pexels
Cleaner Air in California as Trucks Rule Passes
UCS analysis and advocacy helped shape, strengthen, and pass a CA rule requiring large fleets of commercial trucks, delivery vans, and buses to transition to zero-emission vehicles by 2036—a huge win for cleaner air and reducing global warming emissions.

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UCS Helps Pass a 100% Clean Energy Bill in Minnesota
Our expert testimony and analysis contributed to one of the stronger electricity standards in the nation.

USDA/Flickr
Decades of UCS Work Reflected in White House Guidance
The White House’s Office of Science and Technology Policy issued a landmark framework for scientific integrity that will protect federal science from undue political interference—guidance that reflects decades of UCS research and advocacy.
Major accomplishments

Pushed California toward 100 Percent Clean Energy
After many years of UCS providing visionary technical expertise to prove it was possible, California passed a bill requiring that 100 percent of its electricity come from clean, renewable sources by 2045.

Blocked Anti-Science Nominees from the Trump Administration
UCS mobilized our half-million members and supporters.

Showcased the Threat to Coastal Properties from Climate-Driven Sea Level Rise
Using the latest available real estate data, a UCS analysis sent a wake-up call throughout the real estate and insurance markets.

Provided Crucial, Independent Analysis of the North Korean Missile Program
UCS offered trusted, independent analysis of North Korean nuclear capabilities.

Forced ExxonMobil to Acknowledge Climate Change in its Business Plans
A multi-year effort by UCS and activist investors to keep pressure on ExxonMobil.

Expanded Clean Energy in the Midwest
UCS worked in Illinois to successfully pass a comprehensive energy bill.

Secured Fuel Efficiency Standards for Big Trucks
UCS analysis informed the development of heavy-duty fuel economy standards.

Revealed Climate Deception at ExxonMobil
A UCS report documented that ExxonMobil and other oil and gas companies knew about the dangers their products caused to the climate.

UCS Fully Divests From Fossil Fuel Interests
After reevaluating our investment portfolio, we uncovered small fossil fuel holdings within "sustainability funds"—and immediately divested.

Spotlighted How Restructuring US Food Policy Could Save Trillions
A UCS video and analysis, demonstrated the health and environmental benefits of restructuring our food system.