Reports & Multimedia

Several recent studies on Climate Change show that acting quickly and decisively to address this challenge and shift our economy to clean energy will bring significant benefits to the United States.

In 2009, UCS took part in an independent effort to examine and suggest ideas to support a diplomatic approach aimed at engaging North Korea and ending its nuclear and missile programs.

This document summarizes key differences in the House and Senate FY2009 appropriations committee bills for the Department of Energy's (DOE) nuclear weapons programs.

California's clean car standards offer a long-term solution to air pollution and global warming.

The nuclear industry must resolve major economic, safety, security, and waste disposal challenges before new nuclear reactors could make a significant contribution to reducing carbon emissions.

If global warming emissions continue to rise unabated, we will see growing costs related to climate change.

Tropical deforestation accounts for about 10 percent of the world's global warming pollution. Here are ten reasons why protecting tropical forests is in the United States' best interest.

Simple tips to reduce the environmental impact of your car or truck.

A discussion of uranium and plutonium and their role in nuclear weapons.

When carbon emissions cost money, we produce less of them—but there's more to the story.

Learn how the sun affects our climate in this primer from the Union of Concerned Scientists.

Reprocessing increases the total volume of radioactive waste.