To the best of our knowledge, this product is now being marketed under the name Rauhsaser by Better Wall System of Kenora, ON.

The recent ruling to allow logging on several thousand acres of old-growth forest in western Oregon was portrayed in the national media as a blow to environmentalists, but the action may not prove so damaging in the end. While the ruling permits logging on 13 of the 44 sites that were under consideration by the so-... Read more

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

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

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

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

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

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

Has anyone here performed circadian lighting studies for WELL using rhino/grasshopper (Lark Spectral Lighting)? 

It seems that Lark can only simulate circadian metrics for daylighting, and NOT electric lighting.  Can anyone shed some light on this?  pun intended :)

Are there any other tools out there that would enable us to... Read more

Sometimes referred to as “the dark side”, the construction industry isn’t actually so bad.  We are mostly good people.  And, we need good people. 

Consigli is hiring a Sustainability Manager to work in Massachusetts, and we could use your help to fill the role.  If you or someone you know is brimming with the sustainability force, please... Read more

Welcome to the quiz portion of Materials Transparency & LEED.

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


1.  Describe the documentation needed for products to meet the Building Product Disclosure and Optimization: EPDs credit, Option 1 in the LEED v4 BD+C and ID+C rating systems.... Read more

Hi all,

Jacobs is looking to hire specifically for sustainability needs! We have a current job posting for a Senior Sustainability Specialist now up, and anticipate a similar posting soon for a mid-level person as well. Location for these would be in the Mountain or Pacific time zones, remote work is fine; other future anticipated posts... Read more

Hi All,

I meant to put this is in Green Gurus and put it in SAL instead.  Rookie mistake.

After this long winter, who is up for some fierce creativity and friendly competition internal to your company or between Green Gurus?  What do you think of a location agnostic, virtual, Sustainability Scavenger Hunt from Earth Day to Mother'... Read more

Food waste is a major source of greenhouse gas emissions from landfills due to methane released during anaerobic decomposition.

BuildingGreen-Approved Composters

BuildingGreen approves in-vessel commercial composters, which require the smallest footprint and are most likely to be suitable for a densely populated area.

Why... Read more