Stratospheric levels of chlorine should peak by the year 2000, according to the 14 June issue of

Global Environmental Change Report. Scientists at the National Oceanic and Atmospheric Administration in Boulder, Colorado, have been measuring levels of various CFCs and HCFCs in the lower atmosphere (troposphere) since 1991 and... Read more

Access floors (also called

raised floors) are floor systems made of rigid panels supported by short pedestals that create an easily accessed cavity under an entire space. They are expensive and are typically made of materials such as aluminum, steel, high-strength concrete, and formaldehyde-based, medium-density... Read more

Environment Design Guide, The Royal Australian Institute of Architects. Australian$126 for four quarterly installments (approximately US$100). Order from RAIA-Environment; The Royal Australian Institute of Architects, P.O. Box 3373, Manuka ACT 263, Australia; +61 6 273 1953 (fax). Full set of 24 previously... Read more

Closing off streets to cars to create pedestrian malls doesn’t always work.

Land Use Digest, published by the Urban Land Institute, reported in its May 1996 issue that Chicago is joining such cities as Eugene, Little Rock, and Norfolk in reverting pedestrian malls back into regular streets. Merchants have complained in these cities that... Read more

This is a great tale, but I don’t believe it. The article [

Vol. 5, No. 4, pp. 10-11] implies that insulation and airsealing dropped 30 tons (106 kW) of peak load from this 17,000 ft2 (1,600 m2) building. Nor do I believe the peak load of only 20 tons (70 kW) for this building. Indiana has hot... Read more

The Natural House Catalog: Everything You Need to Create an Environmentally Friendly Home, by David Pearson. Simon & Schuster, 1996. Paperback, 286 pages, $23.

The Natural House Book uses a similar format—beautiful, high-quality photos and clear, concise text—... Read more

... Read more

The City of Santa Monica, California, has hired a team of local and international designers, researchers, and engineers to draft Sustainable Development Guidelines for new buildings. This effort grew out of Santa Monica’s Sustainable City Program and out of controversy over the redevelopment of the... Read more

An innovative section of highway near Los Angeles with “congestion pricing” is considered successful after six months of operation, and it could be the wave of things to come. The July issue of

Planning described a 10-mile segment of Route 91 with two lanes in either direction, known as FasTrak, in which tolls vary from $0.25 during the... 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

Now that we at

EBN have finally the caught up with the trends and have created our own website, we can slow down long enough to ask: Why are we doing this, anyway? Didn’t we have enough to do just publishing on paper? At least the courts have struck down Internet censorship, so we don’t have to worry about getting in trouble for... 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

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

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

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 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

Schuller Corporation, a publicly traded manufacturer of fiberglass insulation based in Denver, Colorado, announced on May 17 that it is acquiring NRG Barriers of Portland, Maine, one of the nation’s leading producers of polyisocyanurate foam insulation. Both Schuller and NRG have been leaders in improving the environmental characteristics of... Read more

Nuclear proponents have often pointed to the low electricity prices in France as evidence that high reliance on nuclear power keeps electricity prices low. But by comparing

pre-tax electricity rates, that claim is dispelled. According to the May/June issue of

World Watch Magazine, the three European countries with the lowest pre... Read more