High-Flying Turbines Could Tap 870 Terawatts of Wind Power

You know where there’s a lot of wind that could be harvested for energy? The upper layers of the atmosphere, which contain as much as 870 terawatts of power — that’s 870 trillion watts!

The Week in Green Tech: Tesla IPO, Suntrough & Cisco

Electric car startup Tesla debuted on the public markets this week, raised $226 million for the company, gave the future of green cars a boost, and saw its share leap over 40 percent on the first day of

The Week In Greentech: TerraPower, Tesla, & Afghan Lithium

Bill Gates isn’t the only Microsoft exec to focus on energy innovation. About a decade ago Microsoft Chief Strategist and Chief Technology Officer Nathan Myhrvold left the software giant to found

Green Tech News from Earth2Tech: Zipcar IPO, Sex.com & GM’s VC Arm

The car sharing heavyweight Zipcar filed for an IPO this week, looking to raise $75 million. With a fleet of 7,000 vehicles, more than 400,000 members (who can rent the car by the hour or day), Zipcar

San Francisco Transforming Toxic Site into UN Global Warming Center

The Hunter’s Point Shipyard in San Francisco is a former naval shipyard filled with radiation and industrial toxins. It’s so dangerous that the U.S. Environmental Agency has designated it as

IKEA Solar Panels on the Horizon

Ubiquitous big-box colossus IKEA has shown some great green developments lately, from flat-pack bike trailers to eco-friendly lines of housewares. Now the patent purveyor of all things flat-pack has