A state-by-state breakdown of policies that could change your community.
It could expand our options for wave-energy harvesters.
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.
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.
Reporting from the Gulf, an offshore oil rig worker finds mundanity, a complacent obsession with safety, and the doom beneath it all
A bureaucracy built for oil and gas leasing punishes the most efficient technology
In the global race to reduce carbon emissions, these eco-minded communities, from Kansas to the Maldives, lead the pack. Here's how they're making their carbon footprints disappear
This concept skyscraper could generate enough energy to power 4,000 homes
As students everywhere return to school, the luckiest are heading for caves and rocket firing ranges instead of lecture halls
Drilling a geothermal well to help cool and heat the dream home
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?
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
Western architects have grand plans for helping China solve its expanding environmental crisis. But the world's dirtiest country already has the power to clean up all on its own
Before Going Off the Grid
Doug Selsam's Sky Serpent uses an array of small rotors to catch more wind for less money