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

Allison Mears at Parsons asked me to share this.  Several folks on this list participated in these recordings.  The courses are comprehensive.

Parsons Healthy Materials Lab has created a series of online learning courses specifically designed for professionals like you, dedicated to making the built environment the best (and healthiest... Read more

Should the Best Practice names always be accompanied by their number? See the attached screenshots, all taken from the main forum page:

Has anyone vetted through all the Epoxy and Resin-based flooring systems to see which flooring application is "healthier"?

Below is a preapproved list from our local health department:
• Tera Lite • Stonhard Stonclad, Stonclad Ut, Stonshield Hri • Sunbelt 110 • Everlast • Westcoat Epoxy Mortar, Slurry, Or Double Broadcast • Dex-O-... Read more

Hi Friends - I'm sure you've started to see news and posts from personal contacts about the shortage of masks, gloves and other PPE for hospital workers. Our company GCI General Contractors is pulling what we can to donate locally. Please urge your leadership to do the same! I just talked with a dear friend who is an infectious disease... Read more

Hi folks, we have a client who is interested in good precedents for measuring wellness. A little background: the project is a student health and wellness building, and what we'd typically measure (healthcare visits, staff absenteeism, etc) are pretty disease focused. We'd like to put in place systems for measuring positive things, like how many... Read more

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

Welcome to this practice session for the LEED AP v4 exam, and good luck!

All the exam questions and explanations that follow were authored by Alex Spilger, LEED AP BD+C of GreenStep Education, and are provided in this BuildingGreen "exam simulator" through a special partnership with GreenStep and with our friends at the Poplar Network.... Read more

When BuildingGreen started publication in 1992, simply finding building products designed with environmental benefits in mind was a big challenge. 

In the years since we’ve seen rapid advances in green building materials and products, and manufacturers are beginning to take topics such as embodied carbon and social justice concerns—... Read more

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:


Nancy Eve Cohen is the managing editor at BuildingGreen. She brings the highest standards to her work, with the goal of providing trusted and accurate information and analysis for BuildingGreen’s readers.

Previously she worked in public radio as a reporter and editor for more than two decades, where she specialized in environmental... Read more

What do you specify for the laboratory countertop? Are there any healthier options I should suggest to my team? Thank you!

Hello, folks! We recently had contact with Northeastern University about sand. I know it sounds ... dry. But sand shortages are a serious issue globally and are leading to criminal activity everywhere and even "sand mafias" in poorer nations without resources to enforce mining laws.

The ask from Northeastern is that BuildingGreen amplify... Read more

Hello friends. For the past two years, we at EHDD have been building a low-carbon design tool to support carbon neutral design at the earliest phases of building projects. Today, the Early Phase Integrated Carbon Assessment (EPIC) is ready for public launch! Many of you have been part of our closed beta test, and today we’re happy to open the... Read more

The BE+ Annual Sustainability Scavenger Hunt is kicking off tonight/tomorrow or whenever you can join!

Anyone can join from anywhere, and participate as much or as little as you want.The missions are shared on the Goosechase App which is really easy to use and fun to see all of the other teams submissions. 

Our office had four... Read more

Has anyone done inherent bias training in their firm, and if so, how'd it go? Do you have someone you'd recommend as a trainer/facilitator?   Thanks!

Dear SD Leader Community: I'm excited to announce the 2021 Steedman Research Fellowship that provides $75K for international travel for recent architectural grads (within 8 years.) I have the honor of serving as this year's jury chair with a fantastic jur. The topic is "Disruption" (seems most appropriate.)

More details here: https://... Read more