In Alex Wilson’s editorial in the June 2007 issue [

EBN Vol. 16, No. 6], he was careful to point out that “the

heat source in nuclear power plants does not emit greenhouse gases” (my emphasis). This simplification distorts the true emissions picture, as shown in an analysis performed by Jan Willem Storm van Leeuwen and Philip... Read more

The U.S. Green Building Council (USGBC) announced in July 2007 that it had reached a total of 10,000 member companies, signaling large growth in the previous year. The 2007 figure represents a growth of 2,800 members over 2006 numbers; USGBC gained a total of 4,800 members between 2002 and 2006. Member companies include architects,... Read more

A study published in

Forest Products Journal in June 2007 found that wood treated with copper azole or alkaline copper quaternary compound (ACQ) to both above-ground and ground-contact levels is prone to damage from brown-rot fungi. Both chemicals were introduced to replace chromated copper arsenate for residential use several years ago... Read more

In July 2007 the New Buildings Institute (NBI) released its Advanced Buildings

Core Performance Guide. The guide describes a series of energy-efficiency measures, selected by NBI using a comprehensive energy-modeling exercise, as the most cost-effective ways to achieve 20%–30% energy savings in buildings throughout the U.S. This guide... Read more

One of the largest waste collection and recycling companies operating in the U.S., Waste Management, Inc., has acquired an existing business, LampTracker, which offers a mail-back recycling program for fluorescent lamps. The company sells special containers for collecting and shipping fluorescent tubes, compact fluorescent lamps, and other... Read more

The Canada Green Building Council (CaGBC) and the Building Owners and Managers Association of Canada (BOMA Canada) have discontinued negotiations towards a cooperative relationship. According to Nancy Grenier, manager of communications for CaGBC, the two organizations had been pursuing a relationship in which they would promote each others’... Read more

Fear of infection is hardly a new phenomenon, but it seems to have risen to a fever pitch in recent years. Modern medicine appeared to have all but conquered infectious disease decades ago—but in the last three decades our society’s confidence in that victory has unraveled. Diseases like AIDS, anthrax, “mad cow disease,” severe acute... Read more

ASTM International has published a new standard for investigations of indoor air quality problems in residential buildings. Standard D-7297 contains guidelines for an initial assessment of possible indoor air quality problems and a subsequent three-phase process for finding the sources of any problems. A first-phase walk through the house is... Read more

Members of the U.S. Green Building Council (USGBC) approved a measure that effectively increases the minimum energy performance of LEED-certified projects by 14% for new buildings and 7% for major renovations. Introduced in November 2006, the measure requires all projects to obtain a minimum two out of ten points in the energy optimization... Read more

Both houses of the Connecticut legislature and Governor M. Jodi Rell have approved a bill expanding the state’s ban on pesticide use on school grounds and playing fields. A similar bill, passed in 2005, prohibited the use of pesticides on public and private elementary school grounds starting in 2006, but gave schools until July 2008 to... Read more

At its annual convention in Baltimore, Maryland, in June 2007, the Construction Specifications Institute (CSI) announced its forthcoming GreenFormat product data-reporting tool. GreenFormat is a Web-based questionnaire and product listing service that manufacturers can use to report on environmental aspects of their products. BuildingGreen, Inc... Read more

win = window.open(URL, "win", "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=740,height=500");

win.focus();

}

The International Code Council (ICC) and the U.S. Green Building Council (USGBC) have agreed to create a green building educational manual for code... Read more

win = window.open(URL, "win", "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=740,height=500");

win.focus();

}

Those who remember the 1970s houses with two parallel exterior walls and an airspace between them circulating solar heat around the house may be doing... Read more

In passing the 1996 Food Quality Protection Act, Congress required the U.S. Environmental Protection Agency (EPA) to test pesticides for disruption of the human endocrine system, which produces and regulates hormones. After years of delays, EPA announced in June 2007 that it would test 73 pesticides that people commonly encounter in homes and... Read more

On May 4, 2007, the U.S. Green Building Council expanded a previous ruling regarding Cradle to Cradle (C2C) certification (see

EBN

Vol. 16, No. 5) by endorsing a LEED innovation point proposal from two related certification programs: the SMART Building Product Standard and the California Gold Carpet Standard. As with C2C, these... Read more

I read with interest your article on photoactive titanium dioxide (TiO2) in concrete [see

EBN

Vol. 16, No. 5]. I have been following the product launch for several years, have published articles on the technology, and have spoken about the material at an American Concrete Institute’s nanotechnology conference. My research has... Read more

win = window.open(URL, "win", "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=740,height=500");

win.focus();

}

The Partnership for Advancing Technology in Housing (PATH), a program administered by the U.S. Department of Housing and Urban Development, has... Read more

win = window.open(URL, "win", "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=740,height=500");

win.focus();

}

Underfloor air distribution (UFAD) is an approach to ventilation in commercial and institutional buildings in which conditioned air is distributed... Read more