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

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After UCS Advocacy, >13 Million People Protected By New Ethylene Oxide Regulation
UCS ran an advocacy campaign, including media attention, public comments, and testimony, to pressure the EPA into setting stricter limits on ethylene oxide emissions. The outcome? Far stronger new standards and widespread public health benefits.

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7 Billion Tons of Climate Pollution Avoided Thanks to New UCS-backed Vehicle Standards
The newest EPA rules will help prevent an estimated 7.2 billion tons of global warming pollution by 2055—to get there, UCS provided technical feedback, facilitated 14,000+ public comments from supporters, and rallied reinforcement in Congress.

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More Than 12,000 Chemical Facilities Better Prepared for Disasters
UCS has worked for years to draw attention to weak standards that do not protect workers and adjacent communities from potential chemical plant disasters. A new EPA rule strengthens requirements for such facilities’ preparedness and prevention.
Major accomplishments

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.

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