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

NREL
UCS Research, Advocacy Inform Game-Changing U.S. Climate Law
After decades of advocacy for a national plan to address climate change, UCS-backed legislation that invests billions to reduce global warming emissions is now law. This opportunity is a stepping stone to more progress for a climate-safe future for all.

Sander Yigin/Unsplash
Clean Truck Victory in Connecticut
Seizing the opportunity to clean up transportation in the state, UCS created an analysis on the benefits of cleaner trucks and cars and advocated with coalition partners to pass the Connecticut Clean Air Act—now law.

IAEA/Dean Calma
UCS-Backed Act Supporting Nuclear Frontline Communities Extended
After UCS organized a lobby day, met with US senators, and publicized the issue in the media, the Radiation Exposure Compensation Act—which was set to expire—was extended by two years by the US Senate.
Major accomplishments

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.

Exposed Misinformation and Media Bias
A UCS analysis exposed extremely misleading climate coverage.

Won Protection for Scientific Whistleblowers
UCS won a landmark victory in Congress with the passage of a bill that explicitly grants whistleblowers protection.

Provided Critical, Independent Expertise on the Fukushima Nuclear Disaster
UCS issued a report highlighting the steps the US government should take to increase safety and resilience at American nuclear plants.

Helped Reduce Nuclear Stockpiles in the United States & Russia
UCS technical expertise informed the US Senate decision to approve the New Strategic Arms Reduction Treaty.

Dramatically Cut Emissions from Cars and Trucks
After years of analysis and public engagement, we helped pass landmark emissions and fuel efficiency standards at the federal level—a signature UCS victory