A primary weakness of light-gauge steel framing for houses has been its severely compromised thermal integrity. In general, the simplest way to get a steel-framed wall to perform like a 2x6 wood-stud wall is to use 2x4 steel studs and add 2” (50 mm) of insulating foam sheathing. Now, researchers at Oak Ridge National Lab (ORNL) are seeking a... Read more

I’ve worked the last 25 years on developing parts of what is now called “Eco-design,” under the belief that healthier buildings, lower energy use, and less ecological impact were important. This was only to discover recently that all this time I was still looking at things in isolation rather in their ecological interconnectedness!

The world’s first independently certified, “well-managed” redwood lumber is now available from the Big Creek Lumber Company of Davenport, California in the Santa Cruz Mountains. Big Creek sells redwood, Monterrey pine, and Douglas fir from its 6,800 acres (2,750 ha) of forestland. The Scientific Certification Systems evaluation team called Big... Read more

The Smart Wood Program of the New York City-based Rainforest Alliance recently announced a series of new partnerships and initiatives that should help make certification available to a wider range of forestry programs. In the Northeast, Smart Wood has teamed up with the National Wildlife Federation (NWF). As a member of the emerging Smart Wood... Read more

U.S. greenhouse gas emissions continued to rise in 1994, totaling 1,666 million metric tonnes carbon equivalent according to the report

Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-1994 published by the U.S. Environmental Protection Agency, November 1995 (this figure does not include the net effect of carbon “sinks” in... Read more

When homebuilder Barbara Harwood stumbled across the quote for a new mechanical system for a grocery store owned by her husband, she knew that the loads were out of line. The quote called for a system... Read more

In an exciting breakthrough for energy conservation measures in residential development, Roger Perry has announced that all homes in his Meadowmount development in Chapel Hill, North Carolina will be built to guidelines from the Alternative Energy Corporation (AEC). The project will contain 715 houses, and total of 1298 residential units. AEC’... Read more

Christine Hammer, editor.

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Greenclips. Every two weeks, between six and ten one-paragraph summaries of articles, gleaned from over 60 different publications,... Read more

The April 1996 issue of the well-regarded British publication

Green Building Digest reports that Malaysia—one of the world’s largest plywood exporters—now stamps all of its plywood with the label “Sustainable Timber” even though, according to the Malaysian government, the country will be a net timber importer by the end of the century... Read more

John Wiley & Sons, Inc., New York, 1996. 445 pages, hardcover, $34.95.

Near the top of that list is Ian McHarg, a Scottish war hero who went on to found the landscape architecture program... Read more

Congratulations on an excellent May/June 1996 issue! Very seldom do I read any magazine and find fewer things to pick at than this particular issue of

EBN. But I do have two. As we have discussed in the past, the name of CMHC, the Canada Mortgage and Housing Corporation, would seem to make more sense as the Canadian Mortgage and Housing... Read more

A one-square-foot sample of low-e glazing, representing the one billionth square foot produced, was recently presented to Christine Ervin, Assistant Secretary of the U.S. Department of Energy by Mike Koenig of Andersen Windows and Jim Larsen of Cardinal IG. The presentation was in recognition of ongoing support provided by DOE of window... Read more

Expanded polystyrene (EPS) manufacturers representing 70% of the EPS industry recently joined together in April 1995 to form a trade organization, the EPS Molders Association, to more effectively promote their products. According to the May 1996 issue of

Energy Design Update, this development should help solve one of the biggest... Read more

A plethora of stay-in-place insulating concrete form building systems have been introduced in the last decade. Among these is the Rastra system—a European technology that is now getting established in the western United States.

The Rastra system uses 100% recycled expanded polystyrene (EPS) foam, ground into small beads and mixed with... Read more

Using the natural cycles of plant and animal life instead of chemicals and mechanical systems to process wastewater holds a great deal of attraction. Conventional sewage treatment systems already rely on bacteria to do much of the work, but these organisms perform very restricted functions within a system that is generally mechanistic.... Read more

The NAHB Research Center is seeking applications for the 1997 EnergyValue Housing Award, a national award for builders who integrate energy efficiency into the design, construction, and marketing of their new homes. Applications are due August 2, 1996, and winners will be announced at the 1997 NAHB Builders Show. For information, contact:... Read more

Advisory Board member Michael Nicklas received the American Solar Energy Society’s (ASES) highest award on April 22, for his contribution to ASES and to the field of solar energy. The 1996 Abbott Award is the first to go to a practitioner in the use of solar energy, rather than to a researcher. In his acceptance speech, Nicklas noted that... Read more

In spite of tight construction budgets, the Raleigh, North Carolina-based architecture firm Innovative Design, Inc. has convinced several regional school districts to incorporate roof monitors for... Read more

Manufacturers argue that, properly installed and operated, these heaters pose no threat, but the many warnings and cautions in the installation manuals suggest that... Read more