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

As I prepare to search for summer interns, I'm wondering what colleges and universities have programs for sustainability in the built environment. Are there any that you all know of? I am trying to find alternatives to the traditional architecture programs that we track. Thanks

Green Gurus –

Clark Brockman brought to our attention an important and impactful opportunity to advance building decarbonization through the US Department of Energy’s proposed rulemaking around water heater efficiency, advancing adoption of heat pumps, while still providing exceptions (and efficiency targets) for electric or natural gas... 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

We are working on a multi-family project in Hartford that is townhouse style so each unit has an exterior door. The client has requested electronic key fob hardware. Has anyone had experience with retrofitting a passive house door with electronic hardware or have they used a door that is already fitted with electronic hardware? 

Received answers from below questions from NIST Andy Persily

1. Is there a preferred bookends range of CO2 for both “optimal” energy and human performances?

Andy: No

2.Is the ASHRAE ventilation of 1000-1200 ppm average, probably not based on performance, suggesting current ventilation rate is sub-optimal with cognitive... Read more

Anyone has experience with WELL pilot for restaurant? I have new client, restaurateur who's running farm to table concept restaurants in DC, VA, MD area, looking to fit out one of our core & shell.. Also, any other recognized programs or certifications specific to restaurants, I would appreciate any information and resources. Their spaces... Read more

Hello everyone,

We are far too often asked to include parking in our buildings (because why shouldn't the average family have 2.1 kids, .8 pets, and 3 cars) and it always grates on me that we are putting so many resources (natural and monetary) into something that is almost certainly single use and will need to be demolished in 30 years... Read more

I'm curious if anyone can share their strategy on indoor air quality for the return to office. Is this something that is prioritized at your firm from a wellbeing standpoint and with the current health crisis at hand? Lendlease is looking into options to safeguard our employees/occupants as we move back into the workplace and I'm researching... Read more

Welcome to the quiz portion of Circular Economy at Scale: Six International Case Studies.

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


1. Define circular economy and explain its importance within the built environment.
2. Describe how to leverage long-term value over first... Read more

Hi all, 

I'm posting this on behalf of Wyck Knox of our office. He can be reached at knox@vmdo.com: 

"I’m on the editorial board of the Green Schools Catalyst Quarterly, the only peer reviewed journal dedicated to sustainable K-12 schools. (http://catalyst.greenschoolsnationalnetwork.org/gscatalyst)

One of my tasks in that... Read more

Hi everyone! The CLF Boston | NE Hub and BSA are holding an embodied carbon summit and we'd LOVE to see people from this group there. 

The first version of this summit was held in 2019, and since then we've made huge strides. Through our advocacy work, state and city regulations are addressing embodied carbon in procurement and materials... Read more

Facilitating Engagement and Collaboration in Virtual Meetings (or, Avoiding a Goat Rodeo with Many Awkward Silences*)

If you weren't already sitting in virtual meetings every day... We all are now. So how do we facilitate an online meeting in which everyone is focused, engaged, heard, collaborating and problem-solving in an efficient,... Read more