Products & Materials Specialist Brent Ehrlich excels at deep, unbiased, and nuanced technical research on the health and environmental impacts of green building products and materials. Some areas of focus include:

product and material constituents, including their risks

product certifications

third-party product... Read more

Remember 2013? LEED version 4 had just been released to the public. Hardly anyone was using it, though—not only because they didn’t have to, but also because there just wasn’t a pathway to achieve many of the new credits in the rating systems. Especially the product-related credits in the Materials & Resources category, along with the Low-... Read more

Hello Sustainable Advising Leaders,

Here are the notes from the last Zoom call. We had a great turnout! Looking ahead, now that things are rolling along we’d like to get into the rhythm of a regularly scheduled monthly call. Since Tuesdays seem to work well for most people, I am proposing the 4th Tuesday of the month from 3-4pm ET. That... Read more

Hello SD Leaders!

Two weeks ago a group of us gathered for the Winter 2020 Sustainable Design Leaders Summit. Those of us from BuildingGreen that were on site, greatly appreciated everyone's time and energy. It's always a pleasure to work along side you all!

Here is the summit report!

Reminder: We are giving a priority look... Read more

First, special shout out to Carolyn Day from Perkins Eastman for getting permission to use their Pro-zoom account for this Greenbuild wrap-up social session, because...frankly...Greenbuild just wasn't the same without all of you.

So, while we can't be together in person, that doesn't mean we are stuck by ourselves. Grab a refreshment and... Read more

For those that missed Z's subtle mention of this a few weeks ago, Bora finally decided sustainability is important enough to have someone dedicated full-time to it, and then went out and got one of the best:

https://bora.co/bora-hires-sustainability-director-corey-squire/?tax=all-posts

I've been sharing Corey's thoughts on... Read more

Composite windows come in two basic types: fiberglass, and wood/plastic composite.

BuildingGreen-Approved Windows

Fiberglass and other composite window lines have NFRC unit U-factors of 0.20 or lower. Higher U-factors are allowed for products that include significant recycled content.

Manufacturers also must demonstrate... Read more

Here is your friendly reminder to complete the SCL Salary Survey if you have not yet.

There is a link at the end of the SurveyMonkey Survey to a Google form where you will be able to register that you completed the survey—that way we’ll know who participated without having any identifying info in the actual survey. Results will be shared... Read more

Welcome to the quiz portion of Certified Wood Update: Comparing SFI to FSC on Key Forestry and Health Issues.

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


1. Explain the purpose of forest management standards and what they measure.
2. Differentiate between FSC and SFI... Read more

I can hear Kjell saying "All models are wrong, but some are useful." Having said that we are having trouble getting usuable predictive energy use information from our electrical design engineer. They are telling us that their energy models are not for accurate pEUIs but just to compare various scenarios. Are they being lazy? Should we push for... Read more

We are trying to figure out how we are going to meet the LEED Credit for Building Life Cycle Impact Reduction for the first time.

One approach we're trying out: We're taking the results of our Tally model and looking at potential reductions from low-carbon concrete. However, the problem I am encountering is that when I take some of our... Read more

Katherine keeps BuildingGreen’s physical and digital spaces running smoothly. A graduate with honors from the University of Iowa, Katherine has a background in filmmaking and administration. She lives in southeastern Vermont with her partner and enjoys hiking, board games, writing, and cats.

Welcome to the quiz portion of "The Potential of Prefab: How Modular Construction Can Be Green"!

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


What better way to follow up the magic of a live presentation from Peter Yost than with 30 free days of BuildingGreen Premium?

I am excited to share with you the final draft of the letter back to LP50 manufacturers.  The LP50 manufacturers sent their “Closing the Loop on Product Transparency” to design firms earlier this year.  For more background information, please check out Chris Hellstern's original August 20th post on this Green Gurus forum.  When we posted the... Read more

Hi All, 

Not sure if this is the right location for this (as I'm a new member) but we're Planning the upcoming Water Conservation Showcase in Northern CA. Some details below

The Water Conservation Showcase brings together water, energy, and green building professionals to amplify and discuss innovative water management solutions... Read more