How much does every designer need to know? How to support that basic literacy?

Guiding Questions:

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

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

Has anyone worked with Vidaris for LEED certification and have a contact there? If you want to direct email me with feedback on the experience that would be helpful as well.

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:


Hey there Hive Mind,

I'm tossing a question out here as I know various compositions of us have had pieces of this conversation about how operational and embodied decarbonization has been incentivizes at state and local levels through various regulatory frameworks. I meant to do research on this topic for a project team of mine and time... Read more

Ben Hewitt works behind the scenes to build and maintain BuildingGreen.com and LEEDuser. He brings with him over two decades of experience in his field. As an efficient problem-solver, his goal is to make the websites more user-friendly for his coworkers and designers and project teams using BuildingGreen’s resources.

Ben has proficiency... Read more

This question came to me via our mutual friend Josh Jacobs, but while interesting it's a bit out of my range of expertise... 

In short, a critical materials assessment specifically focused on airbourne byproducts from a manufacturing process that would be first-of-its-kind in the U.S. 

Hello Everyone - we posted this to SAL, but also wanted to reach the Green Gurus folks!

To prepare for a co-creative workshop at the Environmental Design Research Association annual conference, "Health in All Places" our team ( myself, B. Sanborn, Penny Cole) is soliciting input via an all-questions-optional survey regarding ungendered... Read more

Sustainable Design Leaders in NYC

New York City has been discussing implementing PACE Financing for years but has not taken action. Over 48 municipalities in New York State have PACE financing for Commercial (including multi-family) properties, it's time NYC does as well. I recently learned from colleagues in the City that all of the... Read more

Hi all -

I got this yesterday from Renew Oregon, a credible environmental NGO here in the state.

"A secretive special interest group has filed a petition at the Federal Energy Regulatory Commission (FERC) to take “net metering” rules away from states and make it a federal issue.  Net metering is the program that allows homes and... Read more

Were we given any warning that LEED Online and USGBC.org would be down for a week?  

Has anyone seen a comparison between IECC 2021 and previous versions of the energy code, including ASHRAE 2010? I'm curious how far ahead code buildings are relative to LEED v4.0, and how much the latest IECC raises the bar relative to the previous. I did a quick search for the LBNL and other studies that look at this, but didn't see anything... 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

Welcome to the quiz portion of Video: Making the Green Insulation Choice for Your Project.

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


1. Discuss how insulation works.
2. Explain why certain materials make more sense than others in particular applications.
3. Summarize... Read more

Dear All,

Greetings. On this Earth Day, I hope you're enjoying our planet's gifts and also giving your gift with reckless abandon.

As I take a short break to plan what I want to do next, this coming Friday, April 26, will be my last day at HKS. Maybe I will get a Hitchhiker's Guide to the Galaxy tattoo like Paula. 

I... Read more

We have a client thats going through a TI remodel in a building thats a LEED Core+Shell certified building. One of the questions we are trying to figure out is are there things we need to be doing to not imperil the building's certification. 

I think the answer is that the landlord had to write tenant guidelines at the time of... Read more