The

use of ground granulated blast-furnace slag in cement reached a record 22.9 million metric tons (25.2 million tons) in 2002, up 22% from 2001, according to the Slag Cement Association (SCA). Blast-furnace slag, a mixture of nonmetallic minerals, is created in the reduction of iron ore to iron. According to SCA, using slag cement in... Read more

Thank you for your coverage of Vermont Built Green in July 2003 (

Vol. 12, No. 7). I would like to correct the sentence that reads “Efficiency Vermont, a utility-funded demand-side management program in the state, currently covers all of the costs for Vermont Energy Star® compliance.” The Vermont Energy Star Homes service is jointly... Read more

are far less likely than permanent classrooms to be healthy environments, according to California’s Air Resources Board and Department of Health Services. During their two-year study, the state found portable classrooms to have inadequate ventilation and lighting levels; elevated particulate matter, moisture,... Read more

I really support

EBN and eagerly anticipate reading it. Your articles are very careful about stating supported facts and not just passing along marketing hype. However, I call your attention to the June 2003 (

Vol. 12, No. 6) article “Honeywell Controls the Nylon 6 Market”: The article ends with the statement “Nylon 6 is... Read more

Portland General Electric has expanded its

Earth Advantage™ program for green homes in the Northwest. In addition to satisfying the basic level of performance, homes can now achieve gold certification for performing especially well in indoor air quality, energy efficiency, or water conservation; or platinum certification for going... Read more

New Urbanist

Jeff Speck took over as director of design at the

National Endowment for the Arts (NEA) in August. Speck spent the past decade at the Miami, Florida firm Duany Plater-Zyberk & Company, most recently as director of town planning for the firm. Along with Andres Duany and Elizabeth Plater-Zyberk, Speck co-authored... Read more

The current

“safe” level of lead exposure, endorsed by the Centers for Disease Control and Prevention and the World Health Organization, is not actually safe, according to a study recently published in the

New England Journal of Medicine. The study found that any level of blood lead concentration negatively affects children’s IQ... Read more

Over the past year, three companies have begun marketing a low-density, open-cell polyurethane foam insulation made, in part, from soybeans. By far the best organized and established of these is BioBased Systems of Spring Valley, Illinois. Experienced users tell EBN that BioBase 501 works just as well as its petrochemical-based competitors, and... Read more

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Greening Rooftops for Sustainable Communities, the first national conference on green roofs, was held May 29–30 in Chicago, drawing more than 500... Read more

by Joseph W. Lstiburek, Ph.D., P.Eng.; Energy & Environmental Building Association, Minneapolis, MN, 2002. Available from EEBA, 952-881-1098,

www.eeba.org. Spiral-bound, 42 pages, $18 ($15 members).

EEBA Water Management Guide is a clear, concise booklet about preventing rain and groundwater entry into houses and light-... Read more

, a state-sponsored program, recently received an

Innovations in American Government Award—the “Oscar” of government awards—and $100,000 to support its activities. The nation’s first independent, ratepayer-funded energy-efficiency utility, Efficiency Vermont has saved more than 99,000 megawatt hours of electricity in... Read more

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The Cool Roof Rating Council (CRRC), a member-based, nonprofit, educational organization, now has over 100 listings in its

Rated Products... Read more

CD-ROM released in 2003 by ASTM International, 100 Barr Harbor Dr., PO Box C700, W. Conshohocken, PA 19428; 610-832-9585,

www.astm.org. Stock No.: Green03, $175 in North America, $193 elsewhere.

Following on the heels of a growing concern over mold contamination comes

Mold Dog™, a group that trains dogs to find and sit on 18 of the most common toxic molds. For details, visit

www.mold-dog.com or call 1-800-Mold Dog.

The Environmental Council of Concrete Organizations is crisscrossing North America this August with a

“Road Show” on the role of concrete in sustainable design. The faculty includes two lecturers from the U.K. and one American, representing expertise in urban planning, architecture, engineering, and materials research. The speakers,... Read more

The International Interior Design Association (IIDA) Foundation has established a

Sustainable Design Education Fund to reimburse members of the interior-design community for taking classes, attending conferences, undergoing LEED™ accreditation, and participating in other activities related to sustainable design. The fund is made... Read more

The American Solar Energy Society has named

Ralph Knowles a “Passive Solar Pioneer.” Distinguished Professor Emeritus Knowles has spent the past 40 years at the University of Southern California’s School of Architecture. Among Knowles’ contributions to passive design is the “solar envelope,” a zoning concept that ensures city buildings... Read more

For the last three years a group of committed builders and other experts has been meeting under the purview of Building for Social Responsibility (BSR) in Vermont to create the nation’s most comprehensive—greenest—residential green building program yet. Vermont Built Green (VBG) is being piloted this summer with a huge array of green criteria.... Read more