With an urgent climate justice mission, AIA has the call open for volunteers to help shape our industry's action. COTE, the Codes + Standard Committee (one of the most important committees anywhere!), Board Committees (including the Committee on CLimate Action and Design Excellence - CCADE)  and the Strategic Council have openings. Consider how... Read more

We're looking to expand our design performance group - let Peter or me know if you have someone to recommend to us! Here's the description. 

Are FSC glulams available? By many manufacturers? Which ones?

Has anyone had any success with achieving the LEED Building Envelope commissioning points with an alternative compliance path using the requirements of the PHIUS verifier? It seems like an unnecessary duplication to ask the client to pay for a BECx agent and a Passive House verifier. Or am I missing something? I can't find any LEED... 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

P. U. L. Antelo, M.A.

Thank you to everyone who signed on to the Materials Pledge letter.  It was officially released on April 15th with 56 signatory firms.  The Materials Pledge will soon have a new home online and a way to continuously add more signatory firms.  I'm keeping a list for now and there are already four more firms who want to join.  I will let everyone... Read more

Greetings, Green Gurus!  As many of you know, I teach a course at the University of Pennsylvania's Graduate School of Architecture, and one of my former students has just graduated from their and MS in Design - Environmental Building Design program.  She is looking for employment at a firm that has a focus on sustainability.  Unfortunately we... Read more

Welcome to the quiz portion of The Building Envelope: Primers from Environmental Building News.

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


1. Explain how thermal mass helps maintain indoor thermal comfort in buildings.
2. Describe the differences between closed-cell and... 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

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

Hi everyone, 

We’re so excited to announce that registration for the 2025 SCL Summit is now live! Register here and save your seat to join BuildingGreen, your SCL peers, and members of all three other networks for a first-of-its-kind summit this year.

In addition to the SCL Summit, you’ll have the option of joining us for the all-... Read more

Are any of you working on projects that are pursuing the additional point for Indoor Water Use Reduction on a HC project via Table 4 Compliant laboratory and medical equipment? If so, what sterilizers are the projects using?

We are receiving pushback that the Sterilizer metric doesn't make sense. I am interested in any insight or a... 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

Hi, we need 3-4 folks to volunteer to join us to work out a draft Materials section for the Contractors Commitment.  Meeting set for 6/16 @ 2 PM CST.

Please message me at pslloyd@leopardo.com if interested in participating.  I will forward out the meeting invite. If the time doesn't work, but you want to participate, I will share info in... Read more

Hi, this is a somewhat niche/specific question - we are working on an all-electric school (middle and high school) that includes a chemistry lab. The lab was going to have portable sources for flame experiments, but there is concern that the portable sources would be unsafe for middle school students, so they are asking for a hard-pipe natural... Read more