Reports & Multimedia

The Billion Gallon Challenge shows how new policies are needed to realize the promise of clean cellulosic biofuels.

Who's got the power to choose where your electricity comes from?

UCS has assembled a timeline of events, editorial comments and statements from scientists, academics and other groups related to Cuccinelli’s demand.

We rank the states most dependent on coal imports, highlighting this annual drain on state economies, and suggest how states can keep their funds in-state through investments in energy efficiency and homegrown renewable energy.

Bioenergy has the potential to increase energy security, promote economic development, and decrease global warming pollution. But efforts to expand its production and use could have unintended consequences.

Learn how gardeners can help combat global warming. We explain the science linking soil, plants, and climate change; provide tips for a more climate-friendly garden; and share resources that will help you adapt these tips to your own needs.

Rising temperatures on Earth are changing the climate, including the timing of spring, which is having myriad domino effects on people and the environment.

The Scientists' Letter on the Copenhagen Commitment for Tropical Forests is a letter asking members of Congress to keep the commitment made by the United States in Copenhagen on

Model year 2012–2016 national standards save oil, cut emissions, and save money at the pump

Climate change increases the probability of heavy rains and flooding. This happens because warmer air holds more moisture.

Carbon dioxide increases the growth rate of many plants and increases the amount and potency of pollen. Rising temperatures extend the growing season and the duration of allergy season.