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  • Guest Blogs

    Corporate America’s Green Awakening


  • Guest Blogs

    The Built-In Weakness of ‘Footprint’ Estimates

    Experts widely agree that human activities are harming the global environment. Since the Industrial Revolution, the world economy has grown dramatically. Overall this is a success story, since rising incomes…

  • Guest Blogs

    Rural Families Overburdened with Energy Costs

    Rural families face the highest energy burdens of any household group in America and spend a much larger percentage of their income on energy bills than the average family, according…

  • Guest Blogs

    Preparing Building Pros for the Zero-Energy Boom

    The market for zero net energy (ZNE) residential and commercial buildings is growing rapidly and is poised for a significant evolutionary leap — if not a boom. Building codes are…

  • Building Science

    The Basics of HVAC Zoning

    Last year I wrote five articles in a series on duct design and ever since, I keep getting requests to continue it.  Here’s a link to the first article in…

  • Guest Blogs

    Urban Rustic: Attic Insulation

    Editor's note: This post is one of a series by Eric Whetzel about the design and construction of his house in Palatine, Illinois, a suburb of Chicago. A list of…

  • Green Building News

    Scaling Up a Model for Affordable Housing

    An architectural program at Auburn University that developed a model for building affordable housing is hoping to share what its students and faculty have learned on a national level in…

  • Q&A Spotlight

    Insulating and Air Sealing a Vaulted Ceiling

    Kevin is working up the design for a new lakeside cabin in Tennessee, with plans currently calling for a scissor-truss roof and a vaulted ceiling over the kitchen and living…

  • Musings of an Energy Nerd

    Solutions to the Attic Duct Problem

    In last week’s blog, I discussed the practice of burying attic ducts in deep insulation. Since burying ducts is simply one of several ways to address the energy waste associated…

  • Green Building News

    Legislation Would Repeal Fossil Fuel Ban

    In a law passed in 2007, the federal government was directed to phase out the use of fossil fuels in new and renovated federal buildings by 2030. Two U.S. senators,…