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.

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

Tree Talk, Inc., PO Box 426, Burlington, Vermont 05402; 802/863-6789, 802/863-4344 (fax), wow@together.net (e-mail). CD-ROM Pro version: $99; CD-ROM standard version: $29.95; Compact (floppy disk) version: $19.95.

Woods of the World (WoW) in July 1994, it had lots of useful information but also lots of gaps, and... Read more

is cosponsor of the upcoming conference Use of Recycled Wood and Paper in Building Applications, which will be held on September 9-11, 1996 in Madison, Wisconsin. The conference should be the best forum to date for the exchange of information relating to use of recycled wood and paper in building applications. For information, see the... Read more

Builders and designers committed to energy- and resource-efficient construction strategies have long struggled with building codes that mandate conventional practice, even when alternatives might be more sensible. A new addition to the Lake County, Illinois building code offers one solution to this problem—in a complete, take-it-or-leave-it... Read more

William McDonough Architects, of Charlottesville, Virginia was awarded a contract for design of a new environmental studies building at Oberlin College with extensive green design goals.

Willammette Industries, Inc. has just retooled a particleboard mill in Eugene, Oregon to produce a higher-quality medium-density fiberboard (MDF) using at least 50% recycled wood. The mill will use wood waste from construction sites, pallets, and packing crates.

Royal Architectural Institute of Canada, 55 Murray Street, Suite 330, Ottawa, Ontario, K1N 4M3, Canada; 613/241-3600, 613/241-5750 (fax). Published bimonthly, 20 pages per issue, $79 per year (Canadian dollars in Canada, U.S. dollars in the U.S.), $59 for Green Building Information Council members.

Thank you for the review you gave WWPA’s

Eco-Profile of Lumber Produced in the Western United States: Life Cycle Inventory of WWPA Western Lumber. Your comments on the study were both thorough and fair.

Wood and paper recycling could be used to achieve 10-20% of the U.S. carbon reduction goal, according to scientists at the USDA Forest Products Laboratory in Madison, Wisconsin. Recycling wood and paper reduces net carbon emissions by reducing timber harvesting, which in turn increases the amount of carbon sequestered by living trees, and by... Read more

40 pages; $8.00 postpaid from the Center for Resourceful Building Technology, P.O. Box 100, Missoula, MT 59806; 406/549-7678.

I read your lead article “Transportation Planning” in the January/February 1996 issue with great interest. A couple of years ago I and seven others entered and won the Grand Prize for a competition entitled “The Electric Vehicle and the American Community.” The programme was to imagine life in some date in the future when electric vehicles... Read more

The Natural Step held the first of many planned one-day workshops this February in Denver, Colorado and in Marion, Massachusetts to acquaint business leaders with this innovative movement that is quickly gaining steam in Europe. The... 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

A bill to create the National Institute for the Environment (see

EBN

Vol. 4, No. 5) has finally been introduced in the current Congress by Representative Jim Saxton (R-NJ) and twenty cosponsors. The Institute is widely supported by business leaders, scientists, and environmentalists.

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?

by Scientific Certification Systems, Inc., August 1995. Published by Western Wood Products Association, Yeon Building, 522 SW Fifth Avenue, Portland, OR 97204-2122; 503/224-3930, 503/224-3934 (fax). Spiral bound, 28 pages (not including appendices), $125.

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

On October 31st of last year, new fluorescent lamp standards took effect that eliminate some of the most widely used lamps in commercial buildings. Under the Energy Policy Act of 1992, the old standby T-12, cool-white, F40 lamp can no longer be manufactured or imported into the U.S. Lamps must now have a minimum color rendering index (CRI)—a... Read more