Why we should phase out government subsidies for all energy, and let oil, natural gas, coal, solar, wind, nuclear, geothermal and efficiency compete.

Watch Roosevelt House's Nature's Fortune: Mark Tercek, in conversation with Andrew Revkin: “Preparing for the Perfect Storm: Investing in Nature” on Livestream.com. PROGRAM About the book What is nature worth, and who invests in it? What rates of return can it produce? In Nature's Fortune,...

We focus on the issues of water, air, food, energy and biodiversity, promoting the work of more than 1,000 grassroots environmental organizations and activists worldwide, and showcasing the insights of world-renowned environmental leaders.

How many people in the world use solar energy?

Five pressure groups have written joint letters to the president and leaders on Capitol Hill demanding the federal government pass energy efficiency legislation currently working its way through Congress.

From soccer balls to cookstoves, engineers are working on a range of devices that provide cheap, clean energy

The nation turns to the National Academies -- National Academy of Sciences, National Academy of Engineering, Institute of Medicine, and National Research Council -- for independent, objective advice on issues that affect people's lives worldwide.