Reports & Multimedia

Extended Power Uprate (EPU) allows aging nuclear plants to operate at power levels up to 20 percent higher than the plant's originally licensed level.

The recent demonstration by the Missile Defense Agency of its missile defense simulation software was a misleading exercise that failed to address key issues about the limitations of computer simulation, especially at this stage of the test program.

The ballistic missile defense system that the United States will deploy later this year will have no demonstrated defensive capability and will be ineffective against a real attack by long-range ballistic missiles.

UCS is working for a safer world by eliminating risks of nuclear arsenals and nuclear terrorism, improving nuclear plant safety, preventing deployment of anti-satellite and space-based weapons, and enhancing international dialogue on security issues.

Many nuclear facilities fueled with HEU are in academic or industrial settings with inadequate security—attractive targets for terrorists seeking nuclear weapons.

"Abrupt climate change" describes changes in climate that occur over the span of years to decades, compared to the human-caused changes in climate that are occurring over the time span of decades to centuries.

The risks for catastrophe change as nuclear reactors age. Protection schemes must evolve to remain correlated with age if the threat level is to be minimized.

The Union of Concerned Scientists promotes a cleanup strategy for diesel vehicles that includes strict emission standards, incentives for cleaning up existing engines, and replacing or retrofitting older school buses.

Information about genetically engineered food, the misuse of antibiotics on farm animals, the risks and potential of pharm and industrial crops, healthier alternatives for growing food, and the work of the Union of Concerned Scientists in this area.

A plan for jobs, security, and prosperity in the 21st century.

Although no comprehensive treaty about space weapons is in effect, a legal framework does exist.