We are embarking on our first CLT projects (our at least we hope that they go that way). Would anyone with experience be willing to share some thoughts from the architect's perspective on things to consider, lessons learned, etc?

Ground- and water-source heat pumps move refrigerant or water through the ground or a body of water for use as a heat source (for indoor heating) or heat sink (for indoor cooling).

BuildingGreen-Approved Heat Pumps

BuildingGreen approves:

Hi all,

We know preparations for Greenbuild are well underway for many of you. We also know that there will be many things competing for your time while you're there. Here's one more to consider! We don't have all the details solidified yet, but wanted you to know sooner rather than later for planning purposes.

We hope you’ll... Read more

Has anyone documented the Food Alternatives credit as part of WELL or as an innovation credit in LEED?

Our Peer Networks offer a safe haven to you and other leaders where you can support one another and work together toward sustainable solutions that are intent on moving projects and the industry forward in the best possible ways.... Read more

I wanted to let you all know about this Built Environment Plus Roundtable coming up on Thursday afternoon 3:00 est. We will be having a discussion around the IRA and how to implement the incentives on projects and help our clients understnad what it means for them. This is an informal setting where people can ask questions or share experiences... Read more

Hi Everyone, 

This is quite last minute (due tonight) but please see below for an opportunity to email comments to EPA supporting national building material reuse measurement/methodology. Submission is easy, just a short email supporting C&D/reuse and any other thoughts on what to include/exclude in material pathways for reuse beyond... Read more

Welcome to the quiz portion of Wood: What’s Good?

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


Here is a fundamental question regarding measuring operational carbon emissions that I'm sure many of you can clarify for me:  Let's say you are considering design options and you want to know the relative contribution of GWP of adding an additional inch of continuous insulation to the building envelope.  The GWP from embodied carbon will... Read more

The NYC SDL Group met to discuss the recent SDL Summit Report. The North Star tenant "About the well being of all species" spurred discussion of an example of building's impact on other species: bird collisions. Links to some resources to address this issue are below. Feel free to ask me and/or Stefan Knust about it. We would be more than happy... Read more

On behalf of the LFRT IRA working group, I am writing to see if anyone has applied for IRA funding (48E, 45L, 179D) for their project, and is willing to share their experiences and basic project info with us.  We can keep the project name confidential if needed.

Thank you!

Hello - I wanted to see if others have been having any of the same Windows security issues with a host of public software (Radiance, Window, DAYSIM, Open Studio) that we regularly use for performance analysis.

My IT team has let me know that they see serious security conflicts with THERM, as well as lot of the LBNL software (Radiance,... Read more

Welcome to the quiz portion of Protect Your Spec: 14 Strategies. 

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


Identify ways to ensure continuity between the environmentally preferable materials in a project specification, and the less-than-ideal materials that end up used in the final... Read more

Hello all, 

Wondering if anyone has experience with lead limits in electrical cable and wiring? 

LEED for Healthcare allows a limit of 300 ppm of lead in electrical wire and cabling - my search for compliant products has been all dead ends. (MRc PBT Source Reduction - lead, cadmium, and copper)

Acceptable regulations for... Read more