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

Carol Venolia, Publisher/Editor

The company's promotional material is the epitome of environmentally friendly packaging—like a Ben & Jerry's annual report. The article reprints sent were even bound in a jacket made from corrugated cardboard. So we were quite intrigued by the product. Syndecrete™ is a lightweight, pre-cast,... Read more

EBN Advisory Board member Mike Nicklas led an international delegation of renewable energy experts in promoting sustainable energy at the Earth Summit last month. He and others were negotiating for inclusion of renewable energy and energy conservation measures into agreements being worked out for the United Nations... Read more

The City of Austin’s Green Builder Program was one of 12 award recipients in the United National Local Government Honours Programme at the Earth Summit in Rio, and the only winner from the United States. “The purpose of the Honours Programme is to recognize innovative local approaches to... 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

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

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

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

Good morning all!

We're working on a higher ed project, and the university PM recently read an article about eco-friendly drywall and is interested in using it on the project.  We're currently using the USG EcoSmart drywall on another project and mentioned it as an option, but the article she forwarded also mentioned ExtremeGreen's MgO... Read more

Welcome to the quiz portion of Go with the Flows: The Promise and Peril of Hygrothermal Modeling

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


1. Describe the true role of hygrothermal modeling in design.
2. Name four instances in which to consider using hygrothermal modeling... Read more

Hi folks,

USGBC has commissioned this survey of the building industry about Federal tax incentives for building efficiency. They will be sharing results with congressional staff, so this might be a good opportunity to give them feedback from the field!

And it's just 10 minutes.

And, after you do the survey if you want to... Read more

There are a number of clear finish options available, from natural oils and low-toxicity products primarily used on residential woodwork through factory-applied finishes where specific aesthetics and/or added durability are required (such as those used on cabinetry or commercial architectural millwork). Many of these have very high VOC levels,... Read more

CEUs are available for reading all the building-envelope product guides and primer. Click here to learn more and take the quiz.

Vapor retarders are meant to protect our building assemblies from getting wet, but they can also slow drying, contributing to mold and structural degradation.

BuildingGreen-Approved Vapor Retarders

Hey, all. Confirming the forum index on the front side of the pay wall will be searchable. Thanks.