In a perfect world, energy simulations and design tools would be so well integrated that each time an architect moved a wall, added a window, or changed a lighting specification, the building’s predicted energy performance would be updated and displayed instantly. With that sort of real-time feedback, designers would quickly become skilled at... Read more

Noting that “it is the policy of the United States that federal agencies conduct their … missions in an environmentally, economically, and fiscally sound, integrated, continuously improving, efficient, and sustainable manner,” President George W. Bush signed an executive order titled “Strengthening Federal Environmental, Energy, and... Read more

Much has changed in the U.S. Green Building Council’s Technical Scientific Advisory Committee [TSAC] final report on PVC [see

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Vol. 16, No. 3]. In this round, TSAC expanded its analysis to account for life-cycle issues that traditional LCA (life-cycle analysis) tools often miss, such as disposal issues and occupational... Read more

According to the American Public Transportation Association (APTA), Americans took more than 10 billion trips on local public transportation in 2006, reaching the highest level since 1957. Ridership was up 3% between the end of 2005 and the end of 2006, and up 28% in the decade since 1996. Over the last decade, the growth rate of public transit... Read more

BuildingGreen Suite.

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EpiCenter, Artists for Humanity (Boston;... Read more

Products earning Cradle to Cradle (C2C) certification, a multifaceted program run by McDonough Braungart Design Chemistry (MBDC), are now recognized in the LEED Rating System, following an April 2007 ruling by the U.S. Green Building Council (USGBC). The new “administrative credit interpretation ruling” allows projects to earn a LEED credit if... Read more

The remarkable ability of titanium dioxide (TiO2) to refract, or bend, light makes the substance suitable for myriad applications, including pigment in paint, paper, plastics, cosmetics, and food; a light-blocking ingredient in sunscreen; and a UV-reflector in applications including ceramics and glass. In addition, some TiO2 molecules in a... Read more

Insulated concrete forms (ICFs) are permanent forms for poured-concrete walls; the forms are typically stacked without mortar before concrete is poured, providing insulation and often reducing the amount of concrete needed for the resulting wall.

The insulation material varies from system to system, with the most common being high-... Read more

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World Birding Center Headquarters in Mission, Texas, designed by Lake Flato Architects, is an integral part of... Read more

Thank you for your recent review of Cradle to Cradle certification (see

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Vol. 16, No. 2), and the more general look at nascent attempts to understand and assess the thousands of materials we put in our buildings. As usual, the article was thorough, clear, and complete, and I salute both

EBN and all those about whom... Read more

CertainTeed Corporation has altered the formulation of its fiber-cement siding lines to add recycled flyash. CertainTeed WeatherBoards and ColorMax fiber-cement siding lines now include 30%–50% flyash in addition to wood fiber, portland cement, and other additives. Cement is energy intensive to produce, and the use of flyash, a waste product... Read more

Vol. 15, No. 7.) LSG’s line of LED lighting products (see table below) incorporates the company’s proprietary Optimized Digital Lighting (ODL)... Read more

The American Institute of Architects has announced the admission of 76 architects to its College of Fellows for 2007. Elected to the position by a jury of their peers, fellows are recognized for their design achievements and for their service to the profession and the public. Among the fellows recognized were several who specialize in green... Read more

The American Society of Heating, Refrigeration, and Air-Conditioning Engineers (ASHRAE) has announced the creation of its first certification programs for ASHRAE members and other professionals. The four programs, to be launched between 2007 and 2008, will focus on healthcare facility mechanical systems, sustainability, commissioning and... Read more