LIVE Contributor: Peter Yost

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Peter Yost is Vice President - Technical Serviceas for BuildingGreen, Inc. in Brattleboro, Vermont. He has been building, researching, teaching, writing, and consulting on high performance homes for more than twenty-five years. His expertise stretches from construction waste management and advanced framing to energy efficiency and building durability.

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CO2 maps zoom in on greenhouse gas sources

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One summer day a few years ago I was standing on the rim of the Grand Canyon expecting to look down and across at light and shadows melding with multicolored layers of bedrock, the whitewater from the Colorado River calmly glistening a mile below as it carves through rock and time itself... etc etc. Instead, I found my gaze drawn to a line of gray clouds blowing in from the west. They didn't look like rain clouds, and it wasn't long before I discovered it was smog carried on the wind all the way from Los Angeles.

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LIVE Contributor: Brent Ehrlich

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Brent is the products and materials specialist at BuildingGreen, where he researches and writes about green building products, materials, and their health and environmental impacts. He also leads a team of editors who select industry-leading products for the company’s green building product database. A LEED AP BD+C, he has been researching and writing about green building for more than a decade, but has also taught college composition, copy edited science journals, worked as a carpenter, managed a large commercial kitchen, and held various other occupations.

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Energy Design Plugin for Google SketchUp

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A beta version of the Energy Design Plugin for Google SketchUp has been released by the Department of Energy. From the Energy Design Plugin website: Designed to integrate seamlessly with the SketchUp environment, the plugin allows you to use the standard SketchUp tools to create and edit EnergyPlus zones and surfaces. You can explore your EnergyPlus input files by using all of the native SketchUp 3D capabilities to view the geometry from any vantage point, apply different rendering styles, and perform accurate shadowing studies.
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