The Vinyl Institute’s letter on PVC (EBN

Vol. 2, No. 5) is without substance or merit. The Institute ignores the economic benefits of product substitution and the significant environmental problems of PVC. In truth, PVC is a cheap, chlorinated product that rarely lives up to its claims of durability and threatens... Read more

Markets for recycled plastic lumber are surprisingly uneven across North America. While some manufacturers report having trouble keeping up with the demand for their products, others are struggling. Green Tree Plastics Technology Inc. of Victorville, California is shutting down its manufacturing operations for lack of income. “The sales are... Read more

•urethane-reinforced... Read more

Green Seal, a nonprofit environmental labeling organization, certifies products that cause significantly less harm to the environment... Read more

Trus Joist MacMillan has broken ground for a second manufacturing facility for its Timberstrand™ laminated strand lumber product (see EBN

Vol. 1, No. 3 for product review). The new plant, scheduled to open late in 1995, is in eastern Kentucky. Locally available yellow poplar will be used instead of the aspen used at TJM’s Minnesota... Read more

Energy use is arguably the most significant environmental impact of buildings. Residential and commercial buildings in the U.S. use about 29 quads (quadrillion Btus) of energy each year, 35% of total energy consumption. That energy used for space heating and cooling in residential buildings (just over 7 quads per year) produces 420 million tons... Read more

I read your editorial in the recent issue [July/August ‘93] with great interest, since we too are constantly struggling to provide good information at reasonable cost, yet keep the whole operation afloat financially. It’s not easy.

On August 24 the Clinton Administration announced a policy for the nation’s wetlands that aims to end years of confusion and infighting among various federal agencies with overlapping jurisdictions. Initial reaction to the plan from all sides was mixed, although most people are waiting to see how things... Read more

The Forest Information Resource System (FORIS), a database on the world’s timber resources, will be released by Tree Talk in November 1993. FORIS is intended to provide wood users with detailed information that will encourage the use of lesser-known and environmentally friendly species. Physical properties of each species, appropriate uses,... Read more

by Kim Leclair and David Rousseau. 1992, Hartley & Marks, Inc., 79 Tyee Dr., Point Roberts, WA 98281. $19.95 U.S.; $24.95 Canada.

Environmental by Design, the field of environmentally sustainable design and construction took a significant step forward.... Read more

Exterior, below-grade foundation insulation has fallen into disfavor in some areas because it provides termites with a protected pathway into the structure. The problem is so serious that some termite prevention companies are refusing to treat houses with exterior foundation insulation, and code officials... Read more

The world's most productive geothermal electrical generation site, Geysers geothermal field in Lake County, California, has been running out of steam. And Lake County Sanitation officials were facing expensive options for disposing of their partially treated wastewater. Now it appears that they have solved both... Read more

Pamela Winthrop Lauer, project director. 1993. Free. 36 pages. Order from: Metropolitan Council, Attn: Data Center, Mears Park Center, 230 E. Fifth St., St. Paul, MN 55101; 612/291-8140.

Although designed for use by contractors in the Twin Cities area of Minnesota, this guidebook has lots of... Read more

A study done at the State University of New York, College of Environmental Science and Forestry, concluded that ground drywall applied to soils in test plots increased crop yield by 25% over untreated soil. This result was similar to the benefits of applying limestone or agricultural gypsum to the soil in equivalent quantities (11... Read more

Lumber Certification

My compliments to you for an excellent publication. I just received my first issue and am glad I subscribed.

I’m not sure how you interpreted my comments from the Sustainable Forest Products Conference, but The Home Depot is not for, but against, a simple stamp or seal. We fully support the SCS... Read more

ReClaim, Inc., a fast-growing company that recycles old asphalt shingles into pothole patching material, has received a patent for its product. RePave™ is used by municipalities and homeowners to repair roadways and driveways. ReClaim processes about 300 tons per day of roofing debris at its two New Jersey plants to make its paving products (... Read more

Some thoughts on the May/June ‘93 issue:

On More Efficient Wood Use (p. 18):

We must conduct a massive educational campaign to wean the majority of builders and building inspectors (architects, too) away from their obsession with what I label 11th commandment framing. A recent poll by the NAHB shows 67... Read more

In July the Construction Specifications Institute appointed an Ad Hoc Environmental Issues Committee to promote awareness of environmental matters among CSI members and the construction industry. In its mission statement, CSI includes a commitment to “encourage the use of construction materials that will ensure the health, safety, and welfare... Read more