It was discovered in 1914 in Sweden that adding aluminum powder to cement, lime, water, and finely ground sand caused the mixture to expand dramatically. The Swedes allowed this “foamed” concrete to harden in a mold, and then they cured it in a pressurized steam chamber—an

autoclave.

The January 22nd issue of

Newsweek—with a cover story suggesting that global warming might be responsible for the season’s intense blizzards—arrived about the same time as a letter from my father-in-law. “So much for global warming,” he noted with a jab, in response to the harsh weather we were enduring.

In a move that would appear to reinforce the National Association of Home Builders’ anti-environmental policies, the Association’s Committee on Energy was voted out of existence at the January 29 Board of Directors’ meeting. Ironically, the decision was made just a day after the First Annual Energy Value Housing Awards were presented, with the... Read more

A group of evangelical Christians is urging support of the Endangered Species Act (ESA), according to a January 31 article in

The New York Times. Dr. Calvin DeWitt, who helped found the Evangelical Environmental Network, said in the article that the Endangered Species Act is “the Noah’s Ark of our day” and that “Congress and special... Read more

Motorists in Germany can now save on their auto insurance rates if they use public transportation. As reported in the February 23rd issue of

Global Environmental Change Report the German insurance company Rheinland (Neuss) has begun offering a 10% discount for policyowners who hold annual passes for the national railway system or for a... Read more

Submissions are being accepted until February 15 for the 1996 Quality Building Conference Design Competition. New to this year’s competition is an Unbuilt Projects/Proposals category. Contact JoAnn Lawrence at the Northeast Sustainable Energy Association (NESEA), 50 Miles Street, Greenfield, Massachusetts 01301, 413/774-6051, 413/774-6053 (fax... Read more

A campus for the new Dreamworks Studio at Playa Vista, formed last year by Steven Spielberg, Jeffrey Katzenberg, and David Geffen, will soon be under construction. Environmental consultant John Picard of E Squared is responsible for bringing an ecological design awareness to the project and coordinating design of the communications systems for... Read more

Tax cuts and tax reform are getting lots of attention as we enter this election year, but a proposal that really makes sense is being heard only on the fringes.

A government program to promote high-performance commercial buildings in Canada now has three buildings under construction. In two of these cases, program administrators were surprised to discover that their stringent criteria are being met using only conventional technologies, with little or no increase in building costs. They credit this... Read more

Real Goods has decided that it will no longer sponsor the National Tour of Independent Homes and is looking for another organization to take over the event. During its first three years, the Tour has been a big success, with 25,000 people having visited hundreds of homes and seeing first-hand the potential of renewables. Organizations... Read more

Cork has been used as a flooring material for more than one hundred years. Cork flooring is durable, it provides acoustical and thermal insulation, it cushions the foot, it is resistant to moisture damage and decay, it is fairly easy to clean, and it is harvested from trees in a sustainable manner. Though imported and thus energy-intensive to... Read more

by Sim Van der Ryn and Stuart Cowan. Island Press, Washington, D.C., 1996. 200 pages; hardcover $40.00; paperback $19.95.

Two small stands within a government-managed forestry operation in central British Columbia were certified in November 1995 by the Silva Forest Foundation. The 25- to 30-hectare (60- to 75-acre) stands in the Vernon Forest District are part of a larger area run by the Ministry of Forests Small Business Programme, which is collecting and sorting... Read more

Real Goods’ new “Solar Living Center” in Hopland, California will demonstrate the philosophies of energy independence and living in harmony with nature that the company preaches. Real Goods hired Sym Van der Ryn’s... Read more

Americus, Georgia-based Habitat for Humanity International is well-known for its coordination of locally based affordable housing projects. Working largely with donated materials and volunteer labor, Habitat (with its many local affiliates) is now one of the nation’s twenty largest homebuilders. Minimizing environmental impact has not... Read more

At a workshop sponsored by Environment Canada’s Winnipeg, Manitoba office, participants decided to establish the Used Building Materials Association as a networking forum and common voice for the salvage and reuse industry. With a core group of twelve American and Canadian nonprofit and for-profit salvage and reuse organizations, the... Read more

Your article “What’s New in Construction Waste Management” moved me to write—and to finally subscribe. I’ve been sharing a subscription with someone else, but now I feel I can’t wait for the

EBN to come my way. So be it if I’m being environmentally incorrect by ordering my own copy. Or is it? What is

EBN’s position on that?

The distinction of being the first government body to officially adopt a straw-bale construction code goes to the Napa County (California) Board of Supervisors. The Board adopted the voluntary guidelines in California’s new law, based on Assembly Bill 1314. The guidelines still require an engineer’s stamp on all plans, however, as does every... Read more

The San Francisco Institute of Architecture (SFIA) has just announced a new Master’s Degree program in Ecological Design. A professional certificate is also available, and the program is not limited to students of architecture. Enrollment is open for the Spring 1996 semester, which begins February 26. Contact the SFIA Information Office, Box... Read more