All reports

Report

Climate Control

California is focusing on the largest source of heat-trapping emissions in the state—motor vehicles.
Report

The Diesel Dilemma

Diesel is becoming cleaner, but gasoline vehicles are more cost-effective than diesel for reducing oil use and lowering global warming pollution.
Report
A missile housed in a missile silo

Toward Nuclear Sanity

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

Chinese Perspectives on Transparency and Security

UCS works to eliminate the risks posed by nuclear arsenals and nuclear terrorism, improve nuclear power plant safety, prevent the deployment of anti-satellite and space-based weapons, and enhance international dialogue on security issues.
Report
Two red trucks in parking lot next to school bus

Rolling Smokestacks

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.
Report
Napier grass

Growing Energy on the Farm

Many farmers already produce biomass energy by growing corn to make ethanol. But biomass energy comes in many forms. Virtually all plants and organic wastes can be used to produce heat, power, or fuel.
Report

A New Road

In the coming years, hybrids can play a significant role in addressing several of the major problems faced by the United States and the world today: climate change, air pollution, and oil dependence.
Report

Clean Energy Blueprint

Can America develop a balanced portfolio of clean energy solutions that will stop wasting energy and also develop diverse, domestic energy supplies to increase energy security?
Report
Electric bus in California

Pollution Report Card

As they wait on the curb, play near idling buses, or even ride safely inside the bus, children may be exposed to this noxious substance every school day.