Reports & Multimedia

To assess the degree of freedom with which science is communicated at federal agencies, the Union of Concerned Scientists conducted an investigation of 15 federal regulatory and science agencies.

Analysis to consider the impacts that the use of agricultural, forest, rain forest, and other lands for the development of bio-based transportation fuels may have on their lifecycle global warming carbon dioxide footprint.

Concerns about the use of food crops to make biofuels have been growing due to a sharp increase in both food and fuel prices, along with studies suggesting that production of these fuels may increase global warming pollution.

In-depth analysis of the risks of climate change in Pennsylvania and the opportunities available to reduce heat-trapping emissions.

Proposals for what the next president needs to do in US policy to reduce nuclear arsenals worldwide.

Could terrorists obtain nuclear weapons?

In a forceful letter to the U.S. Fish and Wildlife Service, scientists challenged a policy restricting the use of recently discovered genetic data in reviewing the status of endangered species.

If one nuclear weapon exploded above downtown Denver, some 60,000 people would die within hours, and an equal number would be seriously injured.

An accidental Russian launch against one—or more—US cities remains a real threat.