Nuclear power is increasingly being touted as a leading solution to global climate change. Nuclear energy proponents—and a growing number of environmentalists—correctly point out that nuclear fission, the heat source in nuclear power plants, does not emit greenhouse gases. Given the clear need to reduce our carbon dioxide emissions, nuclear... Read more

Launched in March 2007 by Architecture for Humanity (AFH), the Open Architecture Network is an online, interactive database and workspace for designers and architects to share projects and ideas. Uploaded projects are protected by Creative Commons licenses, which allow authors and designers to grant some or all of their copyrights to the public... Read more

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The California Energy Commission (CEC) filed suit against the U.S. Department of Energy (DOE) in April 2007 to require DOE to uphold California’s washing machine efficiency standards. In December 2006, DOE denied the State’s 2005 request for a waiver from federal washing machine standards; the waiver would have allowed California to enact... Read more

Despite the increasing popularity of green building, research on high-performance building practices and technologies represents a tiny percentage of federally funded research. According to a report released in March 2007 by the Research Committee of the U.S. Green Building Council (USGBC), only 0.2% of federally funded research, an average of... Read more

The American Institute of Architects, American Society of Heating, Refrigerating, and Air-Conditioning Engineers, Architecture 2030, Illuminating Engineering Society of North America, and U.S. Green Building Council have reached an agreement setting a baseline for the goals of the 2030 Challenge, which calls for an immediate 50% reduction in... Read more

The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) has released the first public comment draft of its “Proposed Standard 189, Standard for the Design of High-Performance Green Buildings Except Low-Rise Residential Buildings.” This standard, being developed in conjunction with the Illuminating Engineering... Read more

New European Union (EU) regulations of harmful chemicals have been toned down and made law. The final version of the Registration, Evaluation, and Authorization of Chemicals (REACH) bill requires that persistent, bioaccumulative, and toxic (PBT), and very persistent, very bioaccumulative (vPvB) chemicals manufactured in or imported into the EU... Read more

The Athena Sustainable Materials Institute has released a new life-cycle assessment (LCA) tool for assemblies. The EcoCalculator for Assemblies draws on results from Athena’s Impact Estimator for Buildings to give instant LCA results for over 400 building assemblies, including those for walls, roofs, floors, and windows. Commissioned by the... Read more

Drywall comes in three primary product types. Paper-faced drywall remains by far the dominant product for finishing interior walls. It is inexpensive and easy to work with (cutting panels by scoring and snapping). Environmentally, the paper is typically 100% post-consumer recycled, the gypsum core can be derived from flue-gas-desulfurization (... Read more

Michael Potts has replaced Amory Lovins as CEO of the Rocky Mountain Institute (RMI), the Colorado-based nonprofit and self-described “think and do tank.” Potts has been a member of RMI’s board of trustees since 2005. He previously served as CEO of software design company American Fundware, and, most recently, as a managing partner at Galway... Read more

New Mexico Governor Signs Green Home Tax Incentive—New Mexico building owners can now earn an income tax credit for building or renovating a green building. Tax credits for residential buildings range from $4.50–$9.00 per square foot ($50–$100 per m2) for the first 2,000 ft2 (186 m2) depending on the rating a building receives through the U. S... Read more

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The New York City (NYC) Department of Education and the NYC Construction Authority have announced the release of the NYC Green Schools Guide and rating system, designed to bring new school construction projects into compliance with Local Law 86, which sets green building requirements for all public buildings in the city. The new rating system... Read more