Entering the U.S. market with autoclaved aerated concrete (AAC) has not been easy. North American Cellular Concrete made a go of it in 1992 (see

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Vol. 1, No. 2) but got no further than a pilot plant. In 1996, the German Hebel Group built a manufacturing plant in Adel, Georgia through its subsidiary Hebel USA (see

EBN... Read more

A report requested by the Bush administration on global climate change was released by a committee of the National Academies’ National Research Council on June 6, 2001. The report summed up science’s current understanding of climate change by confirming that greenhouse gases are accumulating in the earth’s atmosphere and causing surface... Read more

It’s never good to misquote a source, but it’s especially embarrassing when that source is one’s own research! In our “Buildings and the Environment: The Numbers” feature article (

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Vol. 10, No. 5) we listed the amounts of paved area in the U.S. in millions instead of thousands. The correct values are:

Greenpeace has a new building products directory called the PVC Alternatives Database – Building the Future. The fully searchable international database lists over 236 (and counting) PVC-free products for the following building components: roofing, insulation, exterior cladding, windows and doors, flooring, wallcoverings, piping, and—often the... Read more

Scientists at NREL have achieved a

new efficiency record for cadmium telluride photovoltaic cells. The new record of 16.4% beat the previous mark of 15.8%, which had stood since 1992. Cadmium telluride is an increasingly attractive PV technology. First Solar’s new 100 MW CdTe plant in Toledo, Ohio began operation this spring (see

energy simulation software. For many years, DOE-2 has been the standard energy modeling tool for large buildings and the benchmark against which other simulation tools are tested. It has some weaknesses, however, including being notoriously... Read more

California gave a big boost to small power producers in the state by

increasing the cap on power-production systems that can feed power into the grid through

net metering provisions. The cap has been increased from 10 kilowatts to 1 megawatt. Net metering laws or regulations in more than 30 states allow power producers to “run... Read more

by Norbert Lechner, 2001. John Wiley & Sons, New York. Hardcover, 640 pages, $85

Heating, Cooling, Lighting is one of the most useful and important books on building design in the last ten years. The book is not inexpensive, but it’s worth every penny. Norbert Lechner, an architecture professor at Auburn... Read more

has accepted a position as Vice President of the U.S. Green Building Council, with primary responsibility for technical development and implementation of the LEED™ Green Building Rating System. Until November 2000, Howard was with the Building Research Establishment in the U.K., where he oversaw that organization’s influential... Read more

I read with great interest your recent article “Getting the ‘Right Stuff’: A Guide to Green Building Retailers” (

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Vol. 10, No. 4). Your newsletter has always been a source of valuable, and credible, information. I would like to tell you a bit about my company and point out a couple of differences of opinion I have with your... Read more

consolidate Energy Star brand awareness among consumers. In a recent letter to all partners, the manager of the... Read more

The architecture and engineering firm Hellmuth, Obata + Kassabaum (HOK) was among the recipients of this year’s

Green Cross Award from Global Green USA and Green Cross International, the peace and environmental organization founded by Mikhail Gorbachev. Accepting the award for HOK from Mr. Gorbachev at the April 25, 2001 gala in New... Read more

Atlas Roofing Corporation, which in 1998 became the first polyisocyanurate insulation manufacturer to introduce an ozone-safe product (see

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Vol. 7, No. 5), is still the only manufacturer to offer such a product. While most polyiso today is made with HCFC-141b, Atlas’s AC Ultra™ technology uses a mixture of hydrocarbons as the... Read more

While efforts by American industry to clean up its act have been well publicized in recent years, toxic releases appear to be on the increase. The quantity of

toxic chemicals emitted by U.S. industry grew by 5% in 1999, according to the annual Toxics Release Inventory (TRI) of the U.S. Environmental Protection Agency. A total of 7.7... Read more

in severity in many parts of the United States. In the Southeast and Northwest, drought conditions range from moderate to extreme, according to the National Oceanic and Atmospheric Administration. In pockets of West Texas, the Central Appalachians, Hawaii, Puerto Rico, Iowa, and eastern Tennessee, drought conditions... Read more

A

novel energy conservation plan in Oregon, Washington, Idaho, and Utah promises significant electricity savings. The 20-20 Program gives PacifiCorp customers at least 20% off their electricity bills this summer if they use 20% less electricity than they did last summer. While not yet approved by regulators, the program would apply to... Read more

The East Lake Commons community in Dekalb County, Georgia, has received a

National AIA-HUD Housing and Community Design Award for 2001 for excellence in community design that incorporates mixed use and mixed income. East Lake Commons was designed by Village Habitat Design, LLC, with Greg Ramsey, principal-in-charge. Southface Energy... Read more

The future looks bright for brownfield sites. On April 25, the U.S. Senate passed the

Brownfields Revitalization and Environmental Restoration Act of 2001 (S.350) in a unanimous 99-0 vote. The bill, if approved by the House and signed into law by President Bush, would provide liability protection for innocent landowners and significant... Read more

EBN, and things not to change. It was particularly interesting to compare the current results with those from our first subscriber survey conducted... Read more