100 Percent Renewable? One Danish Island Experiments with Clean Power [Slide Show]
One small island in Denmark is technically 100 percent powered by sustainable sources of energy. Could the experiment succeed anywhere else?
Are Engines the Future of Solar Power?
Stirling engines might be the best way to harvest the power provided by the sun
Are Aesthetics a Good Reason Not to Be a Fan of Wind Power?
Some see power-generating wind farms as eyesores, others as graceful additions to the landscape. Either way, with wind becoming one of the fastest growing renewable energy sources, these towering turbines have become ubiquitous—and are here to stay
EPA Set to Regulate Wastewater from Coal-Fired Power Plants
High selenium levels in power plant wastewater may pose a risk to people and wildlife
First Look at Carbon Capture and Storage in a West Virginia Coal-Fired Power Plant [Slide Show]
The world's first power facility to capture and store a portion of its carbon dioxide has begun operating in Appalachia
A Plan to Power 100 Percent of the Planet with Renewables
Wind, water and solar technologies can provide 100 percent of the world's energy, eliminating all fossil fuels. Here's how
What is the Real Cost of Power Production?
Market prices don't reflect hundreds of billions of dollars in hidden costs of energy production to human health and the environment
Energy Out of the Blue: Generating Electric Power from the Clash of River and Sea Water
Two pilot projects are testing the potential of "salt power," a renewable energy that relies on the differing salinities at river mouths to make watts
Leukemia Cells Flash Fake Protein "ID" to Dupe the Immune System
A crucial protein on the surfaces of malignant cells shields them from destruction, but it could also provide a new way to attack cancer
First U.S. "Power Tower" Lights Up California
Turning the sun's heat into electricity--by concentrating it with thousands of mirrors onto a tower
An Iron Key to High-Temperature Superconductivity?
The discovery that compounds known as iron pnictides can superconduct at 50 degrees above absolute zero has reignited physicists' quest for better high-temperature superconductors, and may offer clues to unlocking a 20-year mystery
Cagey Solution: Will Nano Traps Make Geothermal Power Earthquake-Safe?
Scientists could use nano "cages" to increase the heat-storing efficiency of shallow, low-temperature geothermal wells, thereby decreasing the need for deeper, more earthquake-prone ones