I'm working on the Best Practice pages, and I want to verify the role of "BITuser experts" (analogous to LEEDuser experts, as shown on this credit page). My questions:

Note that the role of the expert,... Read more

Hi all, 

Thank you to those of you who attended the Greenbuild Show & Tell! We had an incredible time and learned so much from the presenters -- thanks so much to each of you for sharing.

I am including the slides for some of the presentations below. Please be aware that we have permission from all of the following presenters... Read more

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

Hello, what acceptable levels of air quality are you using to evaluate natural ventilation strategies for your projects?  In our Living Building we only open windows when PM10, PM2.5, etc. are within LBC and WELL limits.  In a seasonally smoggy urban environment, this limits how often we can utilize natural ventilation even if the outside... Read more

Hi SDL: sorry to send another missive so soon but I wanted all to be aware of a great new effort just announced today coming from Greg Kats and Vivian Loftness among others - The Smart Surfaces Coalition. This effort brings together resources and research around city-scale resilience. "The Coalition is committed to the rapid, cost-effective... Read more

Interior luminaires often use inefficient, outdated technology such as compact fluorescent or halogen lamps, some of which contain mercury and have poor light quality and limited controls.

BuildingGreen-Approved Lighting

BuildingGreen lists lighting products using LEDs (light-emitting diodes) from manufacturers whose luminaires... 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

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

A site license allows your entire organization to access and share the report, and to keep a copy in your library. The site license does not allow multiple users to earn CEUs. If multiple individuals in your organization would like to earn CEUs from this report, please purchase individual copies.

The world’s most... Read more

Hi everyone, 

We’re so excited to announce that registration for the 2025 SMEPL Summit is now live! Register here and save your seat to join BuildingGreen, your SMEPL peers, and members of all three other networks for a first-of-its-kind summit this year.

In addition to the SMEPL Summit, you’ll have the option of joining us for... Read more

Welcome to the quiz portion of Energy Modeling for Early Design Decisions (recorded webcast)

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


1. Explain how energy codes and standards are pushing commercial projects beyond what they can do without modeling.
2. Describe the key... Read more

I posted this on the SCL as well, but am looking for anyone's experience and/or suggestions.

For any of you who are already tracking your Scope 1, 2 & 3 emissions: Do you do so through a program (like the Carbon Disclosure Project) or do you have an in house excel file or ???? I'm looking for a good template and am open to... Read more

I know we have talked about this on various calls, so I wanted to post in case anyone hasn't seen that the IRS has provided an update with rules on how to access the direct pay option.

https://www.usgbc.org/articles/irs-issues-ira-tax-credit-rules-tax-exemp...

For folks in the Southern New England, New York City area, I wanted to let you know about this interestesting design summit that is focusing on eliminating forced and slave labor in the building materials supply chain. I am not involved in organizing the summit, but I plan to attend. It is at Grace Farms in New Canaan, CT from 9:00 to 5:30 on... Read more

Hi SDL'ers, as promised I am sending information about how to support getting flame retardants out of foam insulation. I am attaching a draft letter to Foam Manufacturers, an intro to that letter giving some background and a list of From manufacturers.   Thanks, please contact if you have any questions.   Larry Strain, Siegel & Strain... Read more

Sign up now to roll up your sleeves and have fun solving real problems! April 28 from 3-5pm ET

DESIGNING FOR DECONSTRUCTION

Building deconstruction, or disassembly, is a critical strategy for carbon reduction, minimizing waste & contributing to a circular economy, yet remains a serious challenge for many reasons.

Many... Read more