Energy Source™ Directory

Energy Source Directory arrived. Assembled and published by Iris Communications, this is the most complete and most useful guide to specialized products and materials used in energy-efficient construction that we've seen. The 500-page directory is... Read more

Builders concerned about out-gassing of formaldehyde from medium-density fiberboard (MDF) have long used Medex in cabinets. This exterior-grade product, originally developed for highway signs, is considerably more expensive than conventional MDF or particleboard, however. Now Medite II fills the need for a... Read more

A study published in the June 5, 1992, issue of

Science by researchers at the Lawrence Livermore National Laboratory and the Institute of Atmospheric Physics at the University of Arizona suggests that smoke emitted into the atmosphere from human activities may be having a significant effect in counteracting... Read more

Carol Venolia, Publisher/Editor

Ozone depletion and global warming are two of our most serious environmental problems—and foam insulation materials containing CFCs (chlorofluorocarbons) contribute significantly to both of these problems. The environmentally concerned builder or designer should make it a highest priority to avoid them. Even many of the non-CFC alternatives... Read more

Q.Where would you say architects as a group stand on environmental issues?

A.Architects tend to be reactive rather than proactive. It is important that we take the lead on these environmental issues. The architecture schools in particular tend to be conservative. They just aren’t... Read more

The American Institute of Architects convention in Boston this past June was the setting for a changing of the guard in the American architectural establishment. The Institute’s first woman president took the reins, the Committee on the Environment became its largest and fastest growing committee, and the first installments of the Environmental... Read more

Buildings have a tremendous impact on the environment. In North America, buildings and the building industry account for about 30% of carbon dioxide emissions, 35-40% of ozone depletion, 20-30% of municipal solid waste, vast quantities of natural resource consumption, and dramatic loss of open space each... Read more

Protecting trees and the local ecosystem when building on previously unbuilt land is a vitally important—yet often overlooked—part of environmentally responsible construction. Healthy trees and shrubs can reduce a home’s environmental impact and directly benefit homeowners in a number of ways:

•Enhancing comfort by shielding the house... Read more

As many of you already know, Hanson Wade is starting a NEW conference this year on Advancing Construction Decarbonization. It is being held in-person July 19-21 in Denver, CO and looks to be a great program. 

The organizer of the conference contacted us to see if more SCL members might want to be speakers--so if you're interested in... Read more

Typically made from petrochemicals, carpet and its adhesives can offgas. It is also a challenge to recycle them, increasing the chances that it will be incinerated or disposed of in a landfill. Because carpet has a limited lifespan, its life-cycle performance is key.

BuildingGreen recommends modular carpet that demonstrates lower life-... Read more

Hi all,

We are about to start a affordable housing passive house project in Boston and in a few presentations I've seen great signs that builders use to try to get the point across to subs as to how important air sealing is. Some are even quite funny! The builder we are working with does not have a sign like this, but is open to ideas.... Read more

Happy new year everyone!

My name is Vandita Mudgal, I am the first ever 'Sustainability Engineer (district)' for Hensel Phelps N. California district (covers Nor Cal and Pacific NW). As mentioned, this is the first ever sustainability position at Hensel Phelps, therefore I am developing a lot of processes and systems for our district... Read more

Apologize in advance if this has been posted before but we are trying to get manufacturers of stage curtains to give documentation that proves that the product does not have halogenated fire retardants. Manufacturers say they don't have them or concentrations are limited to 100ppm but they don't seem to have documentation to provide for it.... Read more

Hi all!

NESEA's BuildingEnergy Boston is happening March 28-29 at the Westin in Boston's Seaport. Would anyone like to meet up there? There are a few happy hour-like events we could meet at in the Trade show space or I'm open to other ideas! Let me know if you're interested. Here is more info: https://nesea.org/conference/buildingenergy-... Read more

It’s here! By popular demand we’re re-running the SDL Salary Survey that we last ran in 2015. 

This is for people who are currently in an SD Leader role at a firm. We’re sending this invitation out on both the Green Gurus and the SD Leaders forums, because some of you are still in transition and haven’t moved into the SD Leader forum yet... Read more

Has anyone pursued the schools Mold Prevention IEQc10 successfully and have format for the documentation created they would be comfortable sharing? Our contractor is excited about pursuing this credit but no on our team has pursued it before.

thanks in advance!

Welcome to the quiz portion of Making Your Own Electricity: Onsite Photovoltaic Systems.

Learning Objectives
Upon completing this course, participants will be able to:


1. Explain the difference between crystalline and thin-film photovoltaic technologies, and the uses of each.
2. Describe the ways in which PV... Read more

Some plasters have extremely high embodied energy or petroleum-based ingredients.

BuildingGreen-Approved Plaster

Products approved include: