What's Happening

Plastic Water Piping Leads to Greater Corrosion, Lead Levels

Environmental Building News—July 1, 2008

ASID Endorses 2030 Challege

BuildingGreen.com—June 25, 2008

Use of Home Energy Rating Index Grows

The HERS Index, an energy rating system based on a straightforward scale that puts a net-zero home at zero and a basic code-built home at 100, has been adopted by a variety of programs that evaluate the environmental performance of homes.
Environmental Building News—June 1, 2008

Fears Grow with Polycarbonate Chemical Bisphenol-A

Bisphenol-A, a chemical used to make polycarbonate plastic for numerous building materials as well as consumer items, is under growing scrutiny in the U.S. and Canada.
Environmental Building News—June 1, 2008

USGBC to Outsource LEED Certification

The U.S. Green Building Council is conforming to international norms and scaling up certification capacity by handing off responsibility for certifying LEED buildings to its sister nonprofit organization, the Green Building Certification Institute.
Environmental Building News—June 1, 2008

Next Generation of LEED Out for Public Comment

The U.S. Green Building Council has opened a public comment period for a new version of the LEED rating systems, incorporating changes to the point structure and putting greater emphasis on climate change.
Environmental Building News—June 1, 2008

FEMA Working to Limit Formaldehyde

As FEMA looks to limit formaldehyde emissions in its emergency housing units, trade associations for the recreational vehicle and trailer industry are following FEMA’s lead.
Environmental Building News—June 1, 2008

FSC National Standard Friendly to Small Forests

The U.S. affiliate of the Forest Stewardship Council is moving towards a national standard that incorporates some of the streamlined procedures used for smaller forests.
Environmental Building News—June 1, 2008

L.A. Community Colleges on the Road to Energy Independence

Environmental Building News—June 1, 2008
Member Comments

How the Sun's Path Can Inform Design

Mark Smith says, “One of the important tasks in selling or leasing real estate is demonstration—demonstrating the features and benefits of your...” More...


Water-Efficient Showerheads

Bill Burke says, “Thanks to EBN I found the 1.6 gpm showerhead. Delta certainly does a good job of hiding it on their...” More...


Armoroc Cement-Bonded Particle Board

Michael Kavanagh says, “Hal, Much of the tensile strength comes from the mineralized, post-industrial wood fibers. We have called on the services...” More...

Hal Levin says, “Mike, I'm sorry, I missed the wood fiber part that I saw after clicking "submit comment." So, it is not VOC-...” More...

Hal Levin says, “Hi Mike, Thanks for your kind and generous remarks. Actually, the more I learn the more I know that my expertise...” More...

Michael Kavanagh says, “Hal, Your expertise in this area is acknowledged and appreciated. However, let’s not lose sight that Armoroc Structural Cement...” More...


An Affordable Heat-Pump Water-Heater Retrofit

sunil sinha says, “AirTap Heat Pump Water Heater is installed in the places like garage, basement, attic which are mostly not directly heated...” More...


Styrofoam SIS

John Beeson says, “The aluminum layer which would reside on the outside (?) when taped would be an effect air retarder, but it...” More...


An Affordable Heat-Pump Water-Heater Retrofit

Ethan Goldman says, “Because this is an air-source heat pump, the heat it's "pushing" into the water in the tank is extracted from...” More...


D'Mand Hot Water Delivery System

Brent Eubanks says, “My unit is installed as a retrofit, and I have occasionally found warm water in my cold tap at the...” More...

Alex Wilson says, “The concern Mr. Behm expresses is a real one--for retrofit applications. When a Metland, Taco, or Uponor D'Mand system is...” More...

Gregory Behm says, “Brent or anyone else with D'Mand experiences, What is your experience with the cold water temperature after running the D'Mand system?...” More...