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 group of people hold signs showing support for frontline communities.](/sites/default/files/styles/large/public/2023-12/Copy-of-Blog-Lead-Image-Template-16.jpg?itok=BnS0WtTj)
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.
![Heavy duty trucks and smaller cars stuck in traffic.](/sites/default/files/styles/large/public/2023-06/2023-0504-Sam-W-blog.jpg?itok=R7YiiVI-)
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.
![The Minnesota capitol building.](/sites/default/files/styles/large/public/2023-07/1500-900-mn-building.jpg?itok=mGRfcixe)
Boa Chau/Unsplash
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.
Major accomplishments
![Two men with white USNRC hard hats look at document](/sites/default/files/styles/large/public/2020-03/ucsusa_23775403-1500x900.jpg?itok=Lm-VyrwP)
UCS Fully Divests From Fossil Fuel Interests
After reevaluating our investment portfolio, we uncovered small fossil fuel holdings within "sustainability funds"—and immediately divested.
![](/sites/default/files/styles/large/public/attach/Timeline/ucsusa_19544167_food.jpg?itok=jio-2_2c)
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.
![](/sites/default/files/styles/large/public/attach/Timeline/ucsusa_27076094_Full.jpg?itok=2HSuXliH)
Exposed Misinformation and Media Bias
A UCS analysis exposed extremely misleading climate coverage.
![](/sites/default/files/styles/large/public/attach/Timeline/ucsusa_77026498_Medium.jpg?itok=xvnhu2BV)
Won Protection for Scientific Whistleblowers
UCS won a landmark victory in Congress with the passage of a bill that explicitly grants whistleblowers protection.
![Two men in white tyvek suits and masks](/sites/default/files/styles/large/public/2020-03/ucsusa_76560398-1500x900.jpg?itok=W07xiCub)
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.
![President Barack Obama signing the START treat](/sites/default/files/styles/large/public/2019-09/President_Barack_Obama_signs_the_New_START_Treaty%2C_February_2%2C_2011.jpg?itok=6GR1ZMAr)
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.
![](/sites/default/files/styles/large/public/attach/Timeline/ucsusa_68712417.jpg?itok=hR941z4A)
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
![](/sites/default/files/styles/large/public/attach/Timeline/ucsusa_11103452_Full.jpg?itok=bQbE9_s-)
Halved Global Warming Emissions in the Northeast
Climate experts relied upon UCS analysis to craft the Regional Greenhouse Gas Initiative.
![Person enters a door at the Union of Concerned Scientists office](/sites/default/files/styles/large/public/2020-03/ucs-doorway-with-name_1500x900.jpg?itok=RL7SVMjp)
UCS opens its Midwest office in Chicago.
UCS opens its Midwest office in Chicago.
![Rainbow over waterfalls](/sites/default/files/styles/large/public/2020-03/rainbow-over-waterfalls.jpg?itok=ii_5SGPz)
Won International Protections to Preserve the World's Rainforests
UCS played a key role in winning international protections through a UN agreement for the world's rainforests.