All reports
Report
Inequitable Exposure to Air Pollution from Vehicles in California (2019)
We quantified Californians' exposure to dangerous air pollution. Particulate matter disproportionately affects Californians of color and low-income communities.
Report
The State of Science in the Trump Era
The Trump administration's pattern of undermining science is damaging our health and safety. Scientists and their allies are pushing back—and Congress should join them.
Report
Decoys Used in Missile Defense Intercept Tests
The United States missile defense system hasn’t shown that it can successfully deal with decoys or other countermeasures.
Report
US Military Options Should Not Include Starting a Nuclear War
A no-first-use policy—in which the United States declares it will never use nuclear weapons first—would remove the ability of the United States to start a nuclear war, increasing global security.
Report
Electric Trucks and Buses
Heavy duty vehicles play a major role in our everyday lives—but their pollutants pose many health risks.
Report
Achieving 100 Percent Clean Electricity
UCS outlined 10 key strategies that state legislators, regulators, and other stakeholders can follow.
Report
Science Under Siege at the Department of the Interior
Interior Secretary Ryan Zinke and his political appointees have overseen relentless attacks on science and put our nation's parks, health, and wildlife at risk.
Report
The New "Low-Yield" Submarine-based Nuclear Warhead
The W76-2 warhead is both unnecessary and dangerous. The United States already has weapons capable of similar yields; adding another will introduce complications that could lead to miscalculations.
Report
Soot to Solar
The faster that Illinois can retire its aging, inefficient coal plants, the better.
Report
The Climate Accountability Scorecard
An in-depth analysis of eight major fossil fuel companies finds they continue to spread climate disinformation and have failed to adequately plan their businesses for a low-carbon world.
Report
Reducing Emissions from Transportation in the Northeast and Mid-Atlantic
Reducing transportation emissions will bring dramatic financial, environmental, and health benefits.
Report
The Nuclear Power Dilemma
More than one-third of US nuclear plants are unprofitable or scheduled to close. If they’re replaced by natural gas, emissions will rise—with serious consequences for the climate.