California Governor Arnold Schwarzenegger has called for heavy industries in the state, such as power plants, refineries, and factories, to report emissions of carbon dioxide and other greenhouse gases that are contributing to global warming. Making the announcement at a San Francisco global warming summit in April 2006, the governor pledged to... Read more

synthetic gypsum from coal-burning power plants (a pre-consumer recycled material), and when wallboard scraps are diverted from landfills they are typically ground into soil... Read more

The American Institute of Architects (AIA) will accept presentation proposals for its 2007 national convention and design exposition, themed “Growing Beyond Green,” through July 1, 2006. The conference will be held May 3-5, 2007, in San Antonio. Details are online at www.aia.org/conted_convention/. For more on AIA’s commitment to green design... Read more

Innovative Design, Inc., of Raleigh, North Carolina, was recognized by the U.S. Environmental Protection Agency (EPA), for “Excellence in Energy Efficiency.” The company was honored in March 2006 as the first architecture firm to receive recognition for energy-efficient design. The recognition was based on Innovative Design’s participation in... Read more

Arizona Public Service Company (APS) has announced the opening of the state’s first solar-thermal power plant, and the first built in the nation in 17 years. Built by Solargenix Energy, LLC, of Raleigh, North Carolina, the plant features over 100,000 ft2 (9,000 m2) of parabolic-trough mirrors—looking like several rows of mirrored half-pipe—that... Read more

At its May 2006 board meeting in New Orleans, the U.S. Green Building Council (USGBC) board of directors endorsed a series of recommendations for modifying the two credits in the LEED® Rating System that relate to biobased materials. (Full disclosure: I was asked by USGBC to lead this effort, and I wrote the recommendations.) As described... Read more

U.S. emissions of greenhouse gasses, which cause global warming, rose 1.7% between 2003 and 2004, to the highest level on record, according to the U.S. Environmental Protection Agency (EPA). Citing reductions in methane and nitrous oxide emissions, EPA claimed progress. “While the U.S. economy expanded by 51% from 1990 to 2004, emissions have... Read more

Groundbreaking ceremonies for what is projected to be New England’s largest photovoltaic energy array occurred in Brockton, Massachusetts, in time for Earth Day in April 2006. The Brockton “Brightfield” project will transform a brownfield, the former site of the Brockton Gas Works, into a 425-kilowatt renewable energy plant run by the city. The... Read more

Polyvinyl chloride (PVC) and fluorinated ethylene propylene (FEP) dominate the plenum-rated electrical and data cable market (see

EBN

Vol. 13, No. 3), but a newcomer from GE Plastics could offer an intriguing alternative. In December 2005, Underwriters Laboratories, Inc. (UL) listed GE’s Flexible Noryl® resin for wire coating... Read more

Ten states, two cities, and three environmental organizations have sued the U.S. Environmental Protection Agency (EPA) for not regulating carbon dioxide emissions from power plants. While the Clean Air Act requires EPA to regulate air pollutants, the Bush administration claims carbon dioxide and other greenhouse gasses do not qualify as... Read more

A water conservation bill currently moving through the California Legislature would set the maximum water consumption for toilets at 1.3 gallons per flush (gpf; 4.9 lpf). The legislation, Assembly Bill 2496, was authored by John Laird (D–Santa Cruz) and passed the State Assembly on May 15, 2006. If approved by the Senate and signed into law,... Read more

Jane Jacobs, an advocate for dense and lively cities best known for her 1961 book The Death and Life of Great American Cities, died April 25, 2006, at age 89. While Jacobs did not have formal architectural training, she had an inside view of urban renewal projects from an editorial post at Architectural Forum magazine and a keen appreciation of... Read more

A new initiative from the U.S. Green Building Council (USGBC) board of directors hopes to bring resolution to the prickly subject of wood in the LEED® Rating System. The timber industry has used its leverage to slow the adoption of LEED by state governments and federal agencies and has sponsored the introduction of a competing rating... Read more

Andy Shapiro noticed something funny when he examined the energy use of the new manufacturing facility for NRG Systems, Inc., in Hinesburg, Vermont: lights were turning on at night when nobody was using the space. The LEED® Gold building’s sophisticated measurement and verification (M&V) system, which records when and where the building... Read more

Sizing and placing of windows has always required balancing the need to provide daylight and views with the need to manage solar heat gain and limit heat loss. “Fundamentally, a static window with fixed properties is almost always a poor compromise between night and day, summer and winter, sunny and overcast,” says Stephen Selkowitz, who heads... Read more

The average new, single-family home built in the U.S. in 2004 came in at 2,349 ft2 (218 m2)—13% larger than the average in 1990 and 2.4 times as big as the average in 1950—according to the National Association of Home Builders’ newest “Housing Facts, Figures, and Trends” report, released in March 2006. Of new homes in 2004, 95% had two full... Read more

January 2006. CD-ROM, $499, $429 for ASHRAE members, with an annual updating fee of $290 for nonmembers and $220 for members. A network version also is available. Runs only on Microsoft Windows® operating systems. To order, call 800-527-4723 or 404-636-8400, or visit www.ashrae.org/bookstore.

In January 2006 the American Society of... Read more