Demonstrated the Vulnerability of US Missile Defense Plans

UCS released a report documenting how a costly missile defense system could be overpowered by relatively simple countermeasures.

Sounded an Alarm on the Reckless Overuse of Antibiotics on Farms

A UCS report estimated that animal agriculture was using eight times more antibiotics than were being used to treat humans.

Organized 17,000 Scientists to Oppose Bush Administration's Abuse of Science

UCS fought back and drew widespread visibility to the systematic effort to undermine science.

UCS creates a dedicated team to work on scientific integrity in government, now called the Center For Science And Democracy.

UCS creates a dedicated team to work on scientific integrity in government.
Person enters a door at the Union of Concerned Scientists office

UCS opens its Midwest office in Chicago.

UCS opens its Midwest office in Chicago.
Rainbow over waterfalls

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.

Halved Global Warming Emissions in the Northeast

Climate experts relied upon UCS analysis to craft the Regional Greenhouse Gas Initiative.

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
President Barack Obama signing the START treat

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.
Two men in white tyvek suits and masks

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.