Report Decades of Deceit Why the case against the major fossil fuel companies for fraud and climate damages is so strong.
Report Keeping Everyone's Lights On The grid today is woefully unprepared to meet our current climate reality.
Report Harnessing the Power of Electric Vehicles UCS research shows that vehicle-grid integration (VGI) enables electric system savings, ranging from $1.8 billion - $11.7 billion per year in 2045.
Report Wetlands in Peril Protecting wetlands in the Upper Midwest from industrial agriculture could prevent up to $754 billion in residential flood damages.
Report Plutonium Pit Production The US plan to build new plutonium pits for nuclear weapons is unnecessary, risky, and dangerous to the health of workers and communities.
Report Science and Democracy Under Siege This administration's first 6 months have been characterized by destruction, division, and chaos.
OPEN LETTER An Open Letter on NOAA More than 2,500 scientists call on Congress and the Trump administration to protect NOAA.
Press Release February 26, 2025 Administrator Zeldin Reportedly Working to Strike Endangerment Finding, Undermining EPA’s Ability to Protect Public from Global Warming Pollution Harms
Video Investing in Transportation Choices It's time we invest in transportation choices for a clean, prosperous, and just future.
Activist Resource Cumulative Impacts: Recommendations for EPA To improve environmental health, UCS prepared eight fact sheets summarizing the recommendations of the NEJAC Cumulative Impacts Workgroup to the EPA.
Press Release February 19, 2025 FEMA Firings Will Leave People on Frontlines of Climate, Extreme Weather Disasters Flailing
Report Ready for Work 2 Electrifying our on-road freight system is the surest way to reduce truck pollution and improve air quality.
Press Release February 17, 2025 New Union of Concerned Scientists Report Explains Consequences of Stalling Progress on Truck Electrification