Live Like  a Leaf

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Live Like a Leaf

The Leaf Community is the first sustainable community created in Italy.

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Live Like a Leaf

Author: Clara Ceppa
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January 03, 2009

The Leaf Community is the first sustainable community created in Italy. [continue reading]

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Boulder Home Pushes for Zero

Author: Elka Karl
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November 01, 2006

The Solar Harvest home, built by Boulder-based Ecofutures Building, Incorporated, has been gaining a lot of recognition lately--and for good reason. By achieving 97.7 out of 100 points in an Energy Star audit, it stands as the ... [continue reading]

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Do You Dig Ground Source Heat Pumps?

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November 01, 1996

Workers begin installation of the underground coil for a ground source heat pump. The coil will be laid out in a horizontal configuration. [continue reading]

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Ground-Source Heat Pumps Gaining Ground

Author: Ted Rieger
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July 01, 1994

Ground-source heat pumps (GSHPs), also called geothermal heat pumps or ground-coupled heat pumps, are gaining popularity as efficient space-conditioning systems. [continue reading]

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How Your Refrigerator Has Kept Its Cool Over 40 Years of Efficiency Improvements

Marianne DiMascio

How Your Refrigerator Has Kept Its Cool Over 40 Years of Efficiency Improvements

One of the great inventions of our time—the modern refrigerator—will get an efficiency makeover when new ...

Rob Nicely, Warrior for Sustainability

Tom White

Rob Nicely, Warrior for Sustainability

I was first impressed by Rob Nicely when I heard him speak these words to an audience of builders, designers, ...

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