Hi all,

We are designing a mass timber building and are closing in on selecting our mass timber supplier.  One supplier is offering FSC wood and the other is offering PEFC.  I don't know enough about PEFC to make a clear recommendation to the client about how it compares to FSC.  I understand that PEFC endorsed SFI, so that concerns me... Read more

Hi SDL,

I'm heading to Greenbuild next week and one of my teammates who's not attending has asked me to look for expo hall vendors who are involved in Design for Freedom. He's starting up a new project that he thinks could be a good DFF pilot and wants to get some manufacturer contacts. Is there any kind of informal DFF meetup happening... Read more

Medium-density fiberboard (MDF), particleboard, and interior-grade plywood can emit formaldehyde, a known human carcinogen. Some materials  come from non-sustainable sources.

BuildingGreen-Approved Panels

Products meet California Air Resources Board (CARB) ultra-low emitting formaldehyde (ULEF) or no-added-... Read more

Welcome to the quiz portion of Mind the Gaps: Making Existing Buildings More Airtight!

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


Identify key performance problems related to leaky building enclosures.

Examine the benefits of making existing buildings more airtight, such as... Read more

Last summer I shared a request here for folks to take a survey we had open that aimed to understand how architects and engineers are (or aren't) using climate projections to inform design. This white paper, written in collaboration with HGA and the University of Minnesota Climate Adaptation Partnership, reports on the results of that research. ... Read more

I have a colleague researching existing, proposed, or anticipated changes to urban planning and building codes that encourage lower carbon footprints.

Can anyone comment on or point me to resources on how cities are using carbon footprint analysis and carbon reduction in permitting, now or in the future?

Some specific topics that... Read more

Hello everyone,

For those I have yet to meet, I'm Candace Pearson. I've recently rejoined BuildingGreen after a brief interlude at law school and am now getting back into the swing of things with editorial, consulting, and peer networks. 

We had a great turn out at this year's Show and Tell before Greenbuild and all of the... Read more

Welcome to the quiz portion of Counting Carbon: Understanding Carbon Footprints of Buildings.

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


1. Differentiate carbon counting approaches based on regulation or monetization from approaches aiming just to reduce carbon emissions.
2... Read more

Just had a contractor call who said they had a university client interested in using natural-gas-fed fuel cells as an alternative to grid power in some applications.  They were interested in an intermediate scale: 300kW.

Anyone with any experience with these devices? 

Hey Everyone! My firm is a part of the local Passive House group helping organize the local Humid Climate Conference on May 2nd - 3rd. I wanted to make a post in the chat for those interested to sign up.

The theme is "Barriers To Better Buildings" and it's going to be a really strong, humid climate focused conference. We've nearly got... Read more

Hi everyone,

Remember the thread on here from last fall that “broke the internet?” We have some progress to share and a chance for members to re-engage. A core team has been meeting to compare project process diagrams and challenges. They will share examples from their firms, along with learnings and best practices, on Wednesday, March 6... Read more

I'm definitely slow on the draw here, but happy to be congratulating you, Allen! What a great recognition of your work as a firm! And I love that the story about it highlights the firm's diversity.

Also worth noting--just 'cause no one here has said it yet--how cool it is that Ed Mazria won the Gold Medal this, and that AIA updated it's... Read more

Hi all,

We are taking a deep look at green accreditations within our firm. Gone are the days when we could say: "our staff is XX% LEED APs!" as a metric of firm progress. Here are a few questions we are asking ourselves, and I'm wondering how you approach this in your firms:

Hi All,

Jacob Knowles from BR+A reached out with a request and I’m passing it on to you all.  Jacob’s contact info is at the bottom of this so you can respond to him directly or respond here and I’ll forward it on:

We are working on assembling examples of large wet lab buildings that employ strategies to greatly reduce fossil... Read more