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Making Your Own Electricity: Onsite Photovoltaic Systems

Making Your Own Electricity: Onsite Photovoltaic Systems

Although photovoltaic systems have a long payback period, generous incentives and tax credits can make the systems attractive for building...
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Building for People: Integrating Social Justice into Green Design

Social justice is already a part of green building. Making it a conscious part of the decision-making process, however, requires...
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EPA Seeks Stronger Regulation of Chemicals

EPA Administrator Lisa Jackson outlined a broad set of principles that will guide Administration efforts to reform the 30-year-old Toxic...
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Wind Turbine Certification Forthcoming

A new performance standard for small wind turbines being developed by the American Wind Energy Association will be used by...
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ASHRAE Requires Mechanical Ventilation in Naturally Ventilated Commercial Buildings

An addendum to ASHRAE’s natural ventilation standard requires mechanical backup systems for naturally ventilated commercial buildings.
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Join the Discussion!

Ezkote Green

Mark Piepkorn says, “Looks like we were following the same path at the same time. :)” More...

Mark Piepkorn says, “Hi Tom - yeah, this is confusing. It's made by a subsidiary of US Mix, US Spec. Through some convoluted...” More...

Tom Curtin says, “found it at us spec.com” More...

Tom Curtin says, “Does not appear on manufactuer website!!” More...


CBRE Experiments With One-Day Energy Reductions

Allyson Wendt says, “Ethan, I just looked back at their press release, and those savings figures are for the single day (it isn't...” More...

Ethan Goldman says, “It's impressive that they were able to coordinate and move that fast (though I would be shocked if all the...” More...


Green Roof Study Finds Big Variation in Stormwater Retention

David Lanfear says, “I am appreciative of this testing and am very interested in the ongoing findings. As I research and develop living...” More...


Structure as Finish: The Pros and Cons of Leaving Off Layers

David Ottavio says, “Thank you both for your comments. The project that we are looking in to using this type of system is...” More...

Martin Holladay says, “David, While earth tubes were promoted in the late 1990s and early years of this century by Passivhaus Institut founder Wolfgang...” More...

Alex Wilson says, “There was a lot of interest in earth tubes to temper or preheat air for ventilation back in the '80s...” More...

David Ottavio says, “We are looking at incorporating earth ducts into the cooling strategy for a project in the early stage of design. I'd...” More...


2030 E2

Allyson Wendt says, “Hi Bill, I haven't seen anything like that--tools that really measure triple bottom line metrics are just starting to be developed.” More...

William Marston says, “Is anyone aware of someone working on such a tool aimed at the 350ppm target? Of course such a tool must...” More...