BuildingGreen Report

Product Review

August 30, 2007
Green building advocates (among them the editors of

EBN and the

GreenSpec Directory, both published by BuildingGreen) have long sought an electrical cable product that meets their standards. According to

GreenSpec, the product should be free of heavy metals and halogens (including chlorinated, brominated, or fluorinated... Read more

News Analysis

August 30, 2007
The Federal Emergency Management Agency (FEMA) announced in August 2007 that it had suspended the installation, sale, transfer, and donation of emergency-housing trailers until concerns over high levels of formaldehyde can be investigated. A common ingredient in pressed-wood products, including particleboard, formaldehyde can cause eye, nose, and... Read more

News Brief

August 30, 2007

At its annual conference in New York in July 2007, the Building Owners and Managers Association (BOMA) announced a seven-point energy savings challenge for its more than 16,500 members. The challenge calls for BOMA members to decrease energy consumption in existing buildings by 30% across their portfolios by 2012 and benchmark every building’s... Read more

News Analysis

August 30, 2007
“Build tight and ventilate right” is a favorite motto of building scientists concerned with good indoor air quality and low energy use. A new test method from ASTM International—ASTM E2357, “Standard Test Method for Determining Air Leakage of Air Barrier Assemblies”—offers them help in living up to their motto.

The method provides the first... Read more

News Brief

August 30, 2007

Developers and builders in Babylon, New York, are preparing to register their buildings for LEED certification to comply with a 2006 local law that goes into effect in December 2007. The law requires all new commercial buildings larger than 4,000 ft2 (400 m2) to achieve at least a LEED Certified rating. In addition, projects applying for... Read more

News Brief

August 30, 2007

The American Society of Heating, Air-Conditioning, and Refrigerating Engineers (ASHRAE), the U.S. Green Building Council, and the U.K.-based Chartered Institute of Building Services Engineers are working together to provide guidance for measuring and reporting building performance. After a literature review, due out on September 1, 2007, the... Read more

News Analysis

August 30, 2007

Philips Lighting Company has announced a new line of T-8 fluorescent lamps using the company’s Alto II technology to replace its ten-year-old Alto technology. Each new lamp contains 1.7 mg of mercury, compared to 3.5 milligrams (mg) in each original Alto lamp. “Through some innovative approaches to mercury doses and retention in the lamp... Read more

Explainer

Ground-source heat pumps take advantage of stable temperatures just below the Earth's crust for energy-efficient heating and cooling.

August 30, 2007

Ground-source heat pumps (GSHPs), often called “geothermal heat pumps,” exploit the relatively stable temperatures found just 5 feet (1.5 m) or more below the surface, either depositing or extracting low-intensity heat. Heat pumps—whether ground-source or air-source—are basically air conditioners that can be run in reverse to provide heating as... Read more

News Brief

August 2, 2007
Nevada Solar One, a 64-megawatt solar-thermal power plant in Boulder City, Nevada, became fully operational in June 2007. The plant, among the largest in the world, features parabolic-trough mirrors that focus sunlight on tubes filled with a synthetic oil, heating it to over 700°F (370°C). The hot oil flows to a central plant, where it passes... Read more

News Analysis

August 2, 2007
Having updated their influential 2004 study of the cost of green building [see

EBN

Vol. 13, No. 8] with new data, Lisa Fay Matthiessen and Peter Morris of Davis Langdon still come to the same conclusion. There are so many huge cost factors in construction that it is not possible to detect any statistically significant difference between... Read more

News Brief

August 2, 2007

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

News Brief

August 2, 2007
With more than 4.2 million square feet (39,000 m2), Chicago’s Merchandise Mart is the largest commercial building in the world. As owner of the building, Merchandise Mart Properties (MMP) already employs some green practices, such as recycling waste and using cleaning products with low levels of volatile organic compounds (VOCs). MMP is now... Read more

Explainer

August 2, 2007
Light-emitting diodes (LEDs) use semi-conducting materials to turn electricity into light; electrons jump from one material to another, emitting photons as they travel. Different semiconductor materials create different colors of light: most white LEDs use indium gallium nitride (InGaN), which actually emits blue light. The blue light excites a... Read more

News Brief

August 2, 2007

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

Product Review

August 2, 2007
TerraClad is a terra cotta rainscreen cladding panel for commercial building façades. Made by Boston Valley Terra Cotta, a 115-year-old company near Buffalo, New York, TerraClad panels have hollow profiles and are installed on engineered aluminum tracks that provide a vented space behind the panels.

Terra cotta has been used in the... Read more

News Brief

August 2, 2007

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

Op-Ed

August 2, 2007

Thank you for your recent article on light bulb bans [see

EBN

Vol. 16, No. 4]. It was well documented and had good points about the value of improving incandescent lamps rather than banning them. Incandescent lamps still have their place in some situations, and it would make no sense to replace every incandescent bulb with a... Read more

News Brief

August 2, 2007

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

Product Review

August 2, 2007
The wallcovering company Carnegie, maker of Xorel and other non-PVC wallcoverings, has introduced a line of polyethylene wallcoverings with an affordable price of $22.50 per yard ($24.20/m; net wholesale rate). The Surface iQ line, manufactured by Len-Tex Corporation, has been available directly from the manufacturer since 2005. Carnegie’s... Read more

News Brief

August 2, 2007

Until recently, builders using structural insulated panels (SIPs) had to work with an architect or engineer to prove the technique was equivalent structurally to those spelled out in the International Residential Code. In May 2007, the International Code Council (ICC) adopted prescriptive specifications and installation details for SIPs into... Read more