Our lead article in this issue takes a look at on-site wastewater treatment. Several alternative approaches that provide better groundwater protection are discussed. But our quest for improved wastewater treatment, especially on sites with poor soils, raises an important concern. If we can design self-contained wastewater treatment... Read more

1. Total Harmonic Distortion

2. Osram and Sylvania merged in 1993

3. Reflector style

4. Panasonic lamps have single tube with double fold and are enclosed in white glass bulb. Lamps available in... Read more

Preliminary results of side-by-side energy testing of a foam-core panel house and a conventional stick-built house are in. The foam-core panel house won, according to the Structural Insulated Panel Association (SIPA). The foam-core house was found to have 40% less heat loss than the conventional house, and its effective leakage area (a measure... Read more

Lever Bros. Co. of New York, a long-time promoter of recycled plastic lumber as an end-use for the plastic packaging of its products, has announced a donation to buy plastic lumber for use in national parks. Up to $100,000 will be used to purchase park benches, picnic tables, and boardwalks for 10 national parks, according to a report in

InsulCot™ was a recycled cotton and polyester insulation product that was available on a limited basis since 1991. It has been temporarily discontinued but should be available much more widely this May. A major textile manufacturer is now gearing up for large-scale production. The new product (as yet unnamed) is being positioned to... Read more

Building Materials in the Context of Sustainable Development, nine research reports available from Forintek Canada Corp., 800 Montreal Road, Ottawa, ON K1G 3Z5, Canada; 613/744-0963, 613/744-0903 (fax). Complete sets: CDN$600 for universities and nonprofits, CDN$900 for... Read more

This just in from Lawrence Berkeley Laboratory: A gas oven consumes more electricity to bake a potato than a microwave oven. That’s right, more

electricity. The glow bar ignitor, which draws 350 to 400 watts during oven start-up, continues to draw power the whole time the oven is on. To bake a moderately sized potato, LBL researcher... Read more

Image Industries, Inc., formerly Image Carpets Inc., has become one of the largest recyclers of PET in the U.S. (Image Carpets has been widely promoted as the premier manufacturer of carpets from recycled plastic resin.) Carpet manufacturing may soon be taking a back seat to PET recycling at the company, which ranked 22nd in sales volume among... Read more

A lot of what we do in our research at EBN is listen to claims. We hear from one group that a particular material is great for the environment, while another group tells us just the opposite. Very often, both interest groups are right …and both are wrong. How can that be? The apparent contradiction lies in selective use of... Read more

Washing Machine

Number one is... Read more

The Commonwealth of Massachusetts is planning a large-scale center for conferences, environmental education, and recreation on 1,040 acres on Mt. Greylock in Adams. The proposed $6.5 million center will feature state-of-the-art environmental technologies and design strategies. Requests for Expressions of Interest (RFEI) are available by calling... Read more

Green Builder Program, City of Austin, Environmental & Conservation Services Dept., 206 E. 9th Street, Suite 17.102, Austin, TX 78701; 512/499-3500; 512/499-2859 (fax). Three-ring binder format, 440 pages, $25 postpaid.

The Sustainable Building Sourcebook was written to provide background information for... Read more

I appreciated reading your fairly comprehensive article on environmental impacts of various heating fuel options (“Heating Fuel Choices: Weighing the Alternatives”, EBN,

Vol. 2, No. 6). You uncovered several of the complexities inherent to evaluating the costs and benefits of fuel options as determined by... Read more

Extruded polystyrene (XPS) is the insulation material of choice for many builders when it comes to below-grade applications and is used in many other ways as well. Commonly referred to by Dow Chemical Company’s tradename Styrofoam®, standard XPS insulation is manufactured in the U.S. by four... Read more

The CNN Environment Unit is preparing a half-hour show on environmental home renovation featuring EBN Advisory Board members Steve Loken and Marc Rosenbaum. EBN subscribers are invited to suggest renovation ideas, materials, or techniques (for either contractors or do-it- yourselfers) for inclusion in the show, which will air in late May or... Read more

The Alcyone Light Centre is offering a three-month course in green architecture in the spring of 1994, and another in sustainable building construction in the summer. Contact Architectural Internship Director, Alcyone Light Centre, 1965 Hilt Rd., Hornbrook, CA 96044; 916/475-3310.

Most builders have vaguely heard of those little metal drywall stops that can be used for supporting drywall corners, but remarkably few have ever tried them. More builders we’ve spoken with are familiar with drywall

clips, which are fitted onto the edge of the drywall as it is being installed. Many drywall crews... Read more

The

Environmental Resource Guide from the American Institute of Architects (reviewed in EBN

Vol. 1, No. 3) is now available at a lower subscription rate. The new price for one year of quarterly installments is $98 for AIA members and $165 for non-members. Call 800/365-ARCH to order.

by Paul Hawken. HarperCollins Publishers, 1993. Hardcover, 250 pages, $23.

The Ecology of Commerce argues eloquently for radical change in how business works. Hawken compares our present economic system to immature, opportunistic natural environments that grow and spread rapidly but do not last. A mature system of... Read more