New Column: The Lean, Green Data Center

For this month’s ‘Innovate’ column in Sierra magazine, I took a look at what’s being done to green the data center. […]

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Visualizing the Future of Geothermal Energy

Geothermal energy — or drilling down to trap the earth’s internal heat — is an exciting source of clean power because it exists everywhere and could supply a steady and reliable source of energy. But what does it look like, that power under our feet? In order to create the idea behind the infographic for the latest “Innovate” column in Sierra magazine, I had to dig down and find my inner sketchist. […]

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The Little Wind Energy Center that Could

While in South India last month I had the chance to visit the charming offices of the Centre for Wind Energy Technology, the Indian government’s brain trust on wind power. […]

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4 Intriguing Inventions from the ARPA-E Innovation Summit

The ARPA-E Energy Innovation Summit took place last week just outside Washington, D.C., and the show floor was filled with projects that promise to advance the United States as a force in clean energy. Most of the exhibiting companies were very young and in possession of early-stage technologies that are difficult to explain. But a […]

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If India’s Energy Woes Were America’s

A thought experiment to help an American understand what it would be like to be an Indian, in terms of the energy we use. […]

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A Vortex that Destroys Bridges, or Powers Cities

Vortex induced vibration is a terrifically destructive force that that has just recently been tapped as a source of renewable energy, in the form of the VIVACE converter. One day this new type of generator might electrify entire cities. But the phenomenon of vortex induced vibration has intrigued and bedeviled engineers since the days of Leonardo da Vinci. […]

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Read the New Column, “Power from Tides”

My latest “Innovate” column explores the mysteries of gathering electricity from the tides. […]

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What Matters This Week: A Price for the Volt, but None for Carbon

BP axes Tony Hayward, McDonald’s cooks up some localwashing, NASA gives us a pop quiz…. and more of the latest sustainability news. […]

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Help Me Interview the Navy’s Energy Czar

On Wednesday I have an interview at the Pentagon with Jackalyne Pfannenstiel, who is in charge of a hugely ambitious program to green the Navy. What should I ask her? […]

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What Matters This Week: RAV4 Goes Electric, Mt. Everest Melts

Meat gets a powerful enemy, G.E. gives inventors $200 million, and other news from the world of cleantech and sustainability. […]

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