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Drive-by Energy Audits
The principle is pretty simple: the less insulation in a house attic or at the rafters, the more heat escapes through the roof. Lots of snow on roofs means that it's easy to tell at a glance how energy efficient houses are...
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Greensulate – A fungus-based insulation material that’s grown rather than manufactured
I had been reading about the innovative mushroom-based insulation material, Greensulate, which was developed by two industrious college students, for several years. I recently received a package of it. So what is Greensulate you ask?
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Understanding Energy Return on Investment
For the past few weeks, I've been writing about petroleum: what it is, the history of petroleum use, and what's ahead for this ubiquitous energy source that, to a significant extent, defines our society. This week, I'll cover a method of evaluating not only petroleum, but other energy sources as well: "energy return on investment."
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Featured Events
Natural Building in Costa Rica
February 27 - March 11
Come to Costa Rica and learn natural building techniques in the beautiful setting of the Caletas-Ario Nature Reserve.
Efficiency Vermont's Better Buildings by Design
February 9–10
BuildingGreen's Peter Yost presents "Practical Guidance on the Myriad of Window Retrofit Options," and Alex Wilson discusses "Water: The Forgotten Partner in Energy Conservation." Check out these and many other educational sessions.
NESEA's BuildingEnergy11 conference
March 8–10
Watch walls get retrofitted on the trade show demo stage, attend the many eductaional sessions, and of course visit BuildingGreen in Booth #656.
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New listings in the BuildingGreen GreenSpec® Product Directory are online.
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