Union of Concerned Scientists

The UCS Hybrid Scorecard is the first comprehensive listing of hybrid vehicles available on the US market. Vehicles are scored on both environmental performance and value, easing the burden on the planet and your pocketbook.

UCS director of strategy and policy Alden Meyer breaks down the recent Copenhagen Accord, highlighting the stronger areas of the agreement, as well pointing out where future improvements need to be made.

UCS experts have analyzed emails stolen from climate scientists at the University of East Anglia, as well as the controversy surrounding them. While the emails do raise some concerns about scientific integrity, they do not indicate that climate data and research have been compromised.

While the increases in efficiency and renewable electricity standards called for under ACES are achievable and affordable, a new UCS analysis reveals impressive conumer benefits would result from further increasing the emphasis on renewable power.

A new UCS analysis shows that despite increasing research efforts, no genetically engineered plants have been able to curb pollution from nitrogen overuse in industrial farming. Traditional breeding methods, however, have shown some progress.

A December 2009 analysis of California's AB 32 law limiting emissions shows that even if California’s small businesses do nothing to decrease their energy use over the next 10 years, they will likely experience only a small and manageable impact from the state’s policies to reduce global warming pollution.

The UCS Policy Center contains updates and background information on specific federal, regional, and local policy proposals, as well as fact sheets, testimony, letters, and UCS positions, including the two links below:

An economic analysis shows tremendous long-term gains offset the initial costs of reining in global warming emissions. Help urge legislators to make the right choices in crafting a climate policy.

Though the Clean Energy Jobs and American Power Act mirrors the strong, comprehensive framework of the American Clean Energy and Security Act (ACES) that passed in the House in June, there are several key areas in which the legislation differs.

An interactive web game that lets you answer questions and "shop green" to calculate your own personal environmental impact and compare it to the average American household.

While confined animal feeding operations in the US deliver meat and eggs and tremendous environmental cost, community supported agriculture (CSA) can deliver these foods affordably, efficiently, and sustainably.

Reduce emissions and expenses while increasing efficiency with an upgrade to your existing fireplace.