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Reducing Environmental Impacts of Cement and Concrete
Reducing the carbon emissions of concrete means replacing its portland cement content. But is fly ash from coal power plants...Read More
The Problem with Net-Zero Buildings (and the Case for Net-Zero Neighborhoods)
It can be tough to get to net-zero energy with an individual building, while working at the community scale can...Read More
USGBC Expands Data Collection from LEED Buildings
USGBC has started collecting energy- and water-use data from LEED-certified buildings, and is now inviting all certified buildings to participate...Read More
High-Efficiency, Variable-Speed Pumps from Wilo and Grundfos
Advanced, variable-speed, “smart” pumps from the German company Wilo and the Danish company Grundfos offer significant energy savings for hydronic...Read More
The Precautionary Principle
The precautionary principle employs "guilty until proven innocent" methodology, and suggests that we should avoid using questionable chemicals and materials...Read More
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DOE's Dru Crawley Moves to Bentley William Marston says, “Congratulations on the move, Dru Crawley. PLEASE don't ignore the heavy presence of Macintosh and ArchiCAD in the BIM...” More... The Problem with Net-Zero Buildings (and the Case for Net-Zero Neighborhoods) Nadav Malin says, “Wow, great comments, Scott! Thanks for sharing based on your hard-won experience! How do you recommend dealing with the NZEB goal...” More... Scott Shell says, “Nadav, thanks for an excellent article, as always. Our work at EHDD on net zero buildings(NZBs?)--and trying to work...” More... Structural Engineered Wood: Is it Green? Arthur Schmon says, “Hi Nadav, Actually, our approach does indeed tell the whole story and a denser product does not necessarily have greater load...” More... Nadav Malin says, “Hi Art, You raise an interesting issue here. I can certainly see how the simple log-to-product conversion numbers don't tell the...” More... Arthur Schmon says, “The table you present in this article - in addition to supporting text - suggests that the higher the "Log-to-Product...” More... The Problem with Net-Zero Buildings (and the Case for Net-Zero Neighborhoods) Ted Bardacke says, “Global Green's work on two net-zero electricity affordable housing projects (see case studies at: http://www.globalgreen.org/publications/greenurbanism/archive) has led us to develop...” More... Nadav Malin says, “Great point, Alex! I'd love to hear what others have to say about the interrelationships between behavior and design as...” More...
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