The Global Warming Potential of Insulation Materials – New Calculator

With this new tool you can see just how significant embodied energy and blowing agents are in determining the role of insulation materials in addressing climate change.
by Alex Wilson

In the June issue of Environmental Building News last year, we published one of those slap-in-the-face, wake-up-call articles that forces people to rethink conventional wisdom. Most of us had long thought that more insulation was almost always better in saving energy and reducing greenhouse gas emissions. After all, the more insulation we install, the less energy gets used in the building and the less carbon dioxide is emitted.

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Beauty in Buildings: What's the Use?

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When the Modernists declared that form follows function, did they really intend for the built environment to look so ... dreary? Maybe beauty is an essential building function--not just something for the interior designer to work out at the end.

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Adios - for a little while...

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I'll be looking for some open vistas and contemplative time on my upcoming bike trip--priming the pump for work I'll be focusing on during the rest of an eight-month sabbatical. Photo: Horst Hammerschmidt. Click on image to enlarge.

Next week I'm starting an eight-month sabbatical.

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Wake Up, Green Building, And Smell the Politics

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Market-based solutions only get us so far: we need policies, too, and fast. David Orr stares political reality right in the eye, and refuses to back down.

David Orr

When David Orr began his keynote speech on full-spectrum sustainability at the Building Energy conference yesterday, I was sitting in my car at a dead stop near the Harvard campus, furious with myself (and everyone else) for not taking public transit.

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A New Cotton Insulation Enters the Market

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Applegate Insulation has just introduced a new cotton batt insulation: Mr. Insulate. Photo: Applegate Insulation. Click on image to enlarge.

Over the years, there have been as many as three cotton insulation manufacturers, but for the last several years there has only been one: Bonded Logic, which makes UltraTouch batt insulation, along with duct insulation and sound-control panels.

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Location Efficiency: The Energy Impact of Where We Build

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A pedestrian-friendly streetscape in Annapolis, Maryland. Photo: Dan Burden. Click on image to enlarge.

We spend a lot of time and money making our homes more energy efficient. Whether adding insulation, upgrading windows, replacing incandescent light bulbs, or replacing appliances, efforts we make to use less energy save us money and help the environment. But what about where we live?

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