News Brief
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
News Analysis
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
News Brief
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
News Analysis
A newly formed organization is now developing standardized testing protocols for indoor air quality related products and materials. The Product Emissions Testing Lab (PETL) Network is bringing together representatives of academia, government, and industry to achieve consensus-based procedures and to certify laboratories to test products... Read more
News Brief
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
News Brief
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
Op-Ed
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
News Brief
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
News Brief
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
Op-Ed
With great interest, I read your well-researched article on cork flooring in the January/February issue (Vol. 5, No. 1). As you concluded in the article, the harvest of commercial cork from the cork oak (
Quercus suber) tree is a relatively benign extraction that is one of nature’s best examples of a renewable, non-timber forest resource... Read more
News Brief
John Wiley & Sons, Inc., New York, 1996. 445 pages, hardcover, $34.95.
A handful of individuals have played truly dramatic roles in improving the relationship between our built environment and the natural environment.Near the top of that list is Ian McHarg, a Scottish war hero who went on to found the landscape architecture program... Read more
News Brief
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
News Analysis
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
Feature
Product Review
The Rastra system uses 100% recycled expanded polystyrene (EPS) foam, but still as high a carbon footprint as solid concrete of the same volume.
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
Feature
Since the late 1980s about two dozen ecological wastewater treatment plants have been built, ranging from small systems serving individual schools, to medium-sized municipal systems serving several thousand households, to waste treatment plants for industries designed to treat specialized waste-water flows.
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
News Brief
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
News Brief
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
News Brief
The March 1996 issue of
Energy Design Update reports that fire tests at a laboratory in California have demonstrated that spray-applied cellulose insulation can be a more effective fire stop than conventional wood firestops in a 2x4 wall. The testing was done as part of an effort to gain Uniform Building Code (UBC) approval for the... Read more
News Brief
by American Forests (P.O. Box 2000, Washington, DC 20013) and Home Builder Press of the National Association of Home Builders (1201 15th Street NW, Washington, DC 20005), 1995. 120 pages; paperback $12.
This concise book argues that trees are good—both environmentally and from a business standpoint—and then presents information on how to... Read more



