A state-by-state breakdown of policies that could change your community.
To green or not to green?
An ambitious experiment is underway to harness the heat of a volcano in central Oregon. The process is green, efficient... and causes earthquakes.
A look at tomorrow's turbines
Why would a petro-state erect a solar-powered eco-metropolis in the middle of the Arabian desert? To change the world.
Climate change will drive people to urban areas, and smarter cities will be needed to shelter them
Depending on who you ask, these long-ignored, widely-scattered elements are either a dealbreaker or no problem at all
Arun Majumdar has to decide which researchers will get millions of dollars, and he has to do it fast. He must spark an energy revolution within 20 years, or it's lights out for us all.
Conceptual shelters that will protect us all from the perils of our rapidly changing environment: rising waters, extreme heat, rampant pollution and overpopulation
A bureaucracy built for oil and gas leasing punishes the most efficient technology
This concept skyscraper could generate enough energy to power 4,000 homes
The origins of wind power, Roomba's great grandfather and the magical workings of the automatic shower faucet
Steven Chu, the new U.S. secretary of energy, is a Nobel-winning physicist and an unabashed advocate of fighting climate change. But can he negotiate the political realities of transforming the energy economy?
Subtle movements create current
The finalists will go on to Intel's International Science and Engineering Fair in Reno
Alan Burns made a fortune in the oil business. But as oil wanes, he's convinced that clean energy will be—must be—the next big thing. And so this inventor has poured his fortune into a challenge far greater than finding new oil deposits: extracting energy from the ocean
The Uno accelerates with a simple lean and turns like a street bike on side-by-side wheels
These filters use plants and fans to clear the air of toxic chemicals
Before Going Off the Grid