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On Wednesday, processor licensing company ARM announced that it has designed an ultra efficient processor core, the Cortex-A7, as well as an energy-efficient method of processing that jumps back and forth between two processors to minimize the energy use of the phone. Read more »


When an investor or entrepreneur makes high-risk bets on early stage companies, failure is always part of the equation. For Kleiner Perkin’s Bill Joy he says more of the early-stage greentech startups he invests in with fail early, but can turn into something more meaningful. Read more »

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After shutting down energy efficiency startup Hug Energy at the beginning of 2011, serial entrepreneur Marcus Tallhamn writes about the most important lesson he learned from the experience: value systems are crucial, and you’ve got to know what matters. Read more »

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Is 2010 the Year Khosla Cashes In As the Biofuel Baron?

It’s official. Khosla Ventures, the firm of influential venture capitalist Vinod Khosla, has raised its $1.05 billion fourth fund and will still continue to invest as much money as it previously has done on cleantech startups. Read more »

The styling of the Model S Beta

When you’re investor in electric car company Tesla, you get to test drive the car you helped fund. Draper Fisher Jurvetson Partner Steve Jurvetson shot this video of his recent test drive of a Model S Beta around a track at Tesla’s Fremont, Calif. factory. Read more »


Introducing crowd sourcing meets solar, with a kick. Startup Solar Mosaic has built a Kickstarter-style platform that is bringing together peer-to-peer lenders that want to make loans for solar projects in underserved communities, and plans to one day offer ways to make money from solar. Read more »


Looks like GM is planning to compete even more directly with Nissan’s all-electric LEAF. According to reports, GM is supposed to announce on Wednesday that it will start selling an all-electric city car, designed for urban markets in the U.S. and based on its minicar Spark. Read more »


Startup WeatherBill has built a business around offering farmers financial protection against weather, but the underlying goal of the company has always been to help companies adapt to a changing climate, the company’s CEO and Co-Founder David Friedberg told me. Read more »


The third quarter’s numbers are out from the Green IT section of GigaOM’s research subscription service GigaOM Pro. Solar is struggling, while IT-based systems like car sharing are soaring. Dig into the details with us. Read more »

Networked Lighting: LEDs Via Communication Cables

In the cleantech and utility worlds, it’s called “the smart grid” and “energy efficiency.” In the broader tech realm, it’s called the “Internet of Things.” Let’s bring these two ideas together, because the Internet of Things will play a crucial role in making systems more efficient. Read more »


Follow physics Professor Tom Murphy as he takes you through some of the metrics, and fun-house mirror, of sustainability, efficient use of natural resources and population growth. Read more »

set-top box

According to a report by the watchdog group The Energy Saving Trust, U.K. households’ increasing gadget addiction is leading to rising energy consumption in homes, and that could mean that the country doesn’t meet its national carbon emissions reduction targets for reducing household energy consumption. Read more »

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