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

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

Welcome to the quiz portion of LEDs: The Future is Here.

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


1. Restate the energy efficiency and long service life of LEDs.
2. Describe basic LED components and how, when assembled, they perform differently than traditional light... Read more

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

Hi Green Gurus,

In this stressful time, I think it is important for us to continue to feel connected and supported.  Also, it is difficult to come to terms with the reality of what is happening.  So, I thought it would be helpful for us to share some information about the response of our respective firms to the Coronavirus.

The... Read more

Hive mind,

We recently learned that 3M has discontinued the production of their 3M Daylight Redirecting Film (https://www.3m.com/3M/en_US/building-window-solutions-us/solutions/dayli...). This product was selected by an architecture client last year as the optimal daylight/glare control strategy for a school project, and we're assisting... Read more

Katherine keeps BuildingGreen’s physical and digital spaces running smoothly. A graduate with honors from the University of Iowa, Katherine has a background in filmmaking and administration. She lives in southeastern Vermont with her partner and enjoys hiking, board games, writing, and cats.

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

see IFTF- A New Story to Spark the Future of Climate Action

and chek out their Climate Action Map download

I'd love to hear thoughts from the design, consulting, and contracting firms in this group about ways to make our specs more inclusive, or at least less exclusive to minority and women owned contractors and subcontractors and others that have not had the benefit of what a recent "Equity in Specs" presenter termed the "Fathers / Brothers / In-... 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

This webcast was pre-approved for 1 AIA LU|HSW and 1 GBCI LEED-specific CE hour.

Please complete the survey questions to confirm your attendance and receive your CEUs.

By providing your credential numbers in your profile, you will enable us to automatically report these CEUs to these organizations. Please check your profile to be... Read more

Greetings friends.  Our leadership has decided to create a partner-position to my role but in the engineering group of our firm.  This person would be a key ally in my work improving the high performance and sustainability of our projects with a focus on high-performance mechanical systems, net-zero, electrification, etc...  If you are... Read more

Hi, all.

Has anyone used Unicel's Timber Curtain Wall System? It uses engineered glulam wood mullions on the inside with aluminum mullion caps / butt joints. Has anyone gotten close to using it, but couldn't get it procured for a particular reason? They note up to 72% more energy efficienct than a conventional aluminum curtain wall and... Read more

Many of today’s surface coatings are either too toxic or lack durability and require too much maintenance to be viable choices for commercial or heavy residential use.

BuildingGreen-Approved Coatings

Products approved by BuildingGreen meet California’s South Coast Air Quality Management District’s strict VOC limits. They also:... Read more

You know all those times when you want to reply privately to someone, but don't have their email address handy? What a pain, right? 

Not anymore! Now you can go to the "Group Members" tab on the BuildingGreen Communities forum page, and hover over anyone's name to see their email address. 

Only members of the forum can see your... Read more

Hi friends,

As you might have seen from my op ed last week on BuildingGreen.com, I’m convinced that just voting is not enough; we all need to do all we can to improve our chances of success in this election. My wife Janice and I have been writing get-out-the-vote letters using Vote Forward as our platform. I thought it might be fun, and... Read more

Welcome to the quiz portion of Chemical Transparency: The HPD Issue.

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


1. Discuss why chemical transparency matters and answer common technical and practical questions regarding HPDs.
2. Offer solutions for the legitimate concerns... Read more