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

John Gress Media/Shutterstock
UCS Wins Strong Ethylene Oxide Pollution Rule
UCS analysis of health risks to communities living near facilities emitting ethylene oxide, a known carcinogen, along with our advocacy for science-based standards, helped push the EPA to issue a proposed rule that could cut emissions by 80 percent.

Joanne Francis/Unsplash
UCS Research Points Finger at Big Oil for Western Wildfires
UCS peer-reviewed science shows that more than one-third of the total area scorched by forest fires in the western United States and southwestern Canada since 1986 can be directly attributed to emissions from specific fossil fuel companies.

Sierra Club North Star Chapter
UCS and Partners Move Toward Environmental Justice in Minnesota
Working with a coalition, UCS helped press Minnesota to enact novel legislation that will allow state regulators to protect communities exposed to multiple pollutants, by limiting or denying environmental permits to polluting projects.
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.