Reports & Multimedia

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.

REDD (reducing emissions from deforestation and forest degradation) is a very affordable way to reduce the amount of global warming pollution released into the atmosphere.

This report examines the potential impacts of climate change upon the various ecosystems of the Great Lakes and is designed to raise awareness of climate change and broaden understanding of its potential impacts and solutions.

The Union of Concerned Scientists (UCS) and Public Employees for Environmental Responsibility (PEER) distributed a 34-question survey to more than 460 NOAA Fisheries scientists to obtain their perceptions of scientific integrity within the agency. 

One of a series of case studies produced by the Union of Concerned Scientists' Scientific Integrity Program between 2004 and 2010 to document the abuses highlighted in our 2004 report, Scientific Integrity in Policy Making.

Improving energy efficiency (that is, getting more use out of the electricity we already generate) is an important strategy for reducing our dependence on fossil fuels.

Over the next several years, the U.S. government must make critical decisions about the future of the nation's nuclear weapons complex.

Air pollution from coal-fired power plants is linked with asthma, cancer, heart and lung ailments, neurological problems, acid rain, global warming, and other severe environmental and public health impacts.