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

A Long-Awaited UCS Victory for Low-Carbon Fuels in WA
In a step towards decarbonizing transportation and lowering emissions in Washington state, its legislature passed a clean fuels standard bill that UCS and partners have spent years campaigning for.

Moreau1/Wikimedia Commons
Science Returns to EPA Science Advisory Committees
UCS has called for the EPA to correct the corruption of federal science advisory boards by the prior administration; the agency announced it will reset advisory board membership, prioritizing qualified scientists who have no conflicts of interest.

Science in HD/Unsplash
UCS Helps Pass Mass. Climate, Environmental Justice Law
For two years, UCS worked to strengthen and promote a bill—now signed into law—that commits Massachusetts to net-zero emissions by 2050 and addresses racial disparities in the benefits and burdens of clean energy and climate-related policies.
Major accomplishments

tlindenbaum/Flickr
Helped Pass Climate and Equitable Jobs Act in Illinois
The new law—which UCS tirelessly advocated for with the Illinois Clean Jobs Coalition—sets a goal of 100% clean energy, while prioritizing environmental justice communities for pollution reductions.

Motortion Films/Shutterstock
Provided Expertise to Inform Landmark Court Ruling
A court in the Netherlands—which drew on UCS expertise—ordered Royal Dutch Shell to reduce its carbon emissions. This is the first time a company—much less a fossil fuel company—has been legally required to do so.

Elvert Barnes/Flickr
Ride-Hailing Will Go Electric in CA after UCS Advocacy
Responding to UCS analysis of ride-hailing's climate risks, California passed groundbreaking legislation that requires companies like Uber and Lyft to have 90% of miles traveled carbon-free by 2030. This will serve as a model for other states.

USDA/Preston Keres
Pioneered New Truck Rules in California
After significant pressure from UCS and partners, California implemented a first-in-the-nation policy requiring a sales standard for electric, zero-emission freight trucks.

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.

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.

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

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.