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Google: Jolly green giant?
November 28, 2007 The search and advertising company is a force to be reckoned with across the Web. Now it's looking to do the same in alternative energy (along with many others, large and small).Creating power out of thin air
October 26, 2007 Imagine a material that can suck in heat from the environment and power a notebook. A New Jersey company is aiming to do just that.Stirring GE's Ecomagination
October 26, 2007 Lorraine Bolsinger, who heads a major energy-efficiency initiative at General Electric, says companies can make green while being green. Photos: Inside GE's clean-tech labsStoring sun and wind power
December 5, 2007 Several technologies are being tested to tie large-scale storage to renewable power sources. Images: Making wind power that lasts all dayWhy do humans walk on two legs? To save energy
July 23, 2007 Chimps on treadmills may help explain why human ancestors evolved into bipeds 10 million years ago.Images: Humans vs. chimps at the gymCan baking soda curb global warming?
November 27, 2007 A start-up in Texas says it can turn the carbon dioxide emitted by power plants into baking soda.Photos: Fumes turned baking sodaGoogle to enter clean-energy business
November 27, 2007 Search giant earmarks hundreds of millions of dollars with the goal of generating a gigawatt of clean energy that's cheaper than coal.Father of the compact fluorescent bulb looks back
August 16, 2007 In 1976, Good Times ruled TV, Gerald Ford was trying to "whip inflation now," and in Ohio, a new kind of light bulb was being invented. The man behind the CFL looks back.MIT-led study finds geothermal energy potential untapped
January 22, 2007 Heat mining technology can be improved and deployed broadly to generate clean electricity, says an Energy Department-sponsored report.U.S. green-tech hot spots go coast to coast
December 13, 2007 Investments in green-tech start-ups are going through the roof. Which regions in the U.S. are in the lead?Photos: Green tech from coast to coastFAQ: All about coal--a necessary evil
December 3, 2007 Coal is probably a fact of life. The problem is how to burn it. We answer some of questions surrounding the fuel and how scientists might make it more eco-friendly.Photos: Coal addictionFAQ: A concentrated power boost for solar energy
August 1, 2007 Using very different designs, several companies are focusing the sun's energy onto solar cells to lower the cost of solar electricity.Photos: More solar bang for the buckFAQ: Energy on the high seas
August 15, 2007 Harnessing the power of the ocean may be the next big opportunity in energy. Here's what you need to know.Photos: Tapping wave powerAlternative fuel for thought
May 25, 2007 Gasoline has got to go, say big thinkers at the Future in Review conference. But what the replacement will be is far from clear.Powering cities on landfill waste
June 6, 2007 A start-up is opening a plant that will convert municipal waste into electricity through a cleaner process than burning.Photo: Turning waste into energyMicrosoft: Let PCs nap
March 21, 2007 PCs allowed to go into sleep mode consume less energy than those running screensavers, study says.Five dirty truths about clean technology
July 19, 2007 Venture capitalist Kirk Washington cautions that achieving eco-excellence in the 21st century won't be fast or easy.To clean coal, start-up GreatPoint makes gas
August 27, 2007 Reviving 1970s-era technology, an ambitious company says it can turn dirty coal into cleaner natural gas.Biofuels power 'clean energy' boom
March 6, 2007 Transportation, followed by wind and solar power, is biggest sector of rapidly changing energy industry.
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