Exterior doors often have poor insulation and seals that allow air through.

BuildingGreen-Approved Exterior Doors

BuildingGreen has different criteria for commercial and residential exterior doors.

Commercial swing (hinged) doors must be NFRC-rated, certified, and labeled for U-factor. They have a maximum air leakage of 0.... 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

A brief non-technical rant about OneClick LCA - from someone who is not actually USING the tool, but lobbying for its access.  Wondering if you all have better intel, or if it is just me.

We are working on a number of projects for which te teams are using OneClick LCA - for some cases it has a better international data set than others. ... Read more

If anyone else has gotten confused going between parts-per-million and percentages (parts per hundred!) for material reporting here's a little infographic that might help. Feel free to use or improve! 

Good morning, All,

Just a bit of news this morning.  My family and I are moving back out west!  I am continuing in my current role with EwingCole, but will be doing so from Portland, Oregon.  Although North Carolina has a been a wonderful place for us for the past 13 years, it is time to be close to family in the northwest and southwest... Read more

Hello Gurus,

I have a client (bldg owner) who has asked me to recommend a list of firms who have the internalized resilient design in their practice.

They are *not* asking for resiliency consultants right now, but for firms that they might hire for "regular" capital projects, but since resiliency is high on their priorities, they... Read more

Here's the Core Purpose for this group that came out of the Inaugural Summit.

We're off and running!

Hi everyone! Our sister company, Flatiron, is a heavy civil/infrastructure contractor based out of Broomfield, CO. Their sustainability team is on the hunt for a Circular Economy Manager. Our companies recently announced exciting public ESG and climate commitments, including several related to waste reduction, life cycle assessments, and more... Read more

Hi everyone,

Have your projects explored, pursued, or successfully achieved the domestic content bonus for PV systems within the Inflation Reduction Act (IRA) Investment Tax Credit? I have a project that is considering adding the IRA domestic content requirements and we are trying to understand the nuances and potential challenges (cost... Read more

Hi folks,

We often hear from you with a suggestion of someone who would be great for the network, and a question about how to refer them. We've now made that easy, with three steps laid out in an Outreach Toolkit that's posted in the left margin of the Member Directory.

So, if you're thinking of someone to invite or come across... Read more

Hello, All!  We haven't run WBLCA on a project that may include electrochromic glazing before, and it's embodied carbon footprint is really high in comparison to a more traditional double or triple pane IGU (we thought it would be higher, but this is 3-4x higher).  The EPD we have from Sage Glass for their triple pane electrochromic lists a GWP... Read more

Hello Sustainable Community Design Leaders!

I have an exciting announcement today, fall Peer Network events are now open for registration! You can see all the event details and register here!

Based on feedback we received from past events and the most recent surveys, we decided against doing one long week of events for this fall... Read more

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

Standard spray polyurethane foam (SPF) insulation is made using blowing agents with extremely high global warming potential (GWP), which can cancel out much of the potential energy savings from use over its life... 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

Hello SDL!

Has anyone set "Ecosystem Benefits/Service" targets for an individual project or for all their projects? I was previously against the idea of even measuring ecosystem benefits but I've had my mind changed in recent months!

Currently we want to set a target for every project to: "Improve ecosystem benefits on every site... Read more