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

Hi, a local sustainability not for profit whose board I'm on is considering a vinyl siding collaboration with the Vinyl Sustainability Council, started in 2016 by the Vinyl Institute. There would be some funding to create a program to help recycle siding and a chance to win a full new vinyl cladding. I don't think we should collaborate with... Read more

High-performance buildings integrate site-responsive orientation, climate-responsive form, hefty R-values, efficient mechanical systems, healthy... Read more

Welcome to the quiz portion of Raze or Retrofit? Six Extraordinary Answers to an Everyday Question.

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


1. Understand how the embodied impacts of renovation compare to those for new construction.
2. Provide three reasons why building... Read more

Hi all,

I've tried a couple of different search terms for the forum but haven't been able to find any past conversations on electrochromic glazing yet (which makes me suspect I might be missing something...). We have a potential opportunity to use it in a vertical curtain wall application with a client that is very interested in the... Read more

Hi all,

AGC is the biggest umbrella organization for general contractors in the states. To date, there has been practically no interaction between the SCL and AGC. In my mind, the SCL group is the most knowledgeable group of dedicated sustainability professionals out there; so is there a way that we can partner with AGC to collaborate ... 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

Welcome to the quiz portion of LEED and WELL Product Labels: A Guide and Analysis!

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


Recognize product-related programs for LEED v4 BD+C, LEED v4.1 BD+C, WELL v1, and WELL v2 that contribute to the sustainability of projects and the health and... Read more

Hi All,

I wanted to pass on a few cool things we have going on at Built Environment Plus (formerly USGBC MA)  I really am conscious of not spamming you often and reserve posts for some of our most exciting happenings.

August 5, Building Tech Forum/MaterialsCAN: Getting to Zero with Embodied Carbon. Featuring 13 5-minute... Read more

Would anyone have an example LEED Homes v4 specification they would be willing to share?  We are working on our first LEED Homes project, a midrise low income housing development here in Houston.  We have a LEED Homes provider, but she will not provide the specifications, which seem to be quite different in requirements and submittals from our... Read more

Untreated rainwater leaving a developed site is effectively a chemical spill, laden with pollutants that include oil, sediment, heavy metals, nitrogen, and phosphorous. The heat carried by stormwater is also harmful to fish and other aquatic organisms.

BuildingGreen-Approved Systems

We approve systems that:

For a number of years a colleague and I have been teaching a course about sustainability and water in architecture at the University of Pennsylvania's architectural school (PennDesign).  This year we're hoping to bring a few new opinions to the table for at the same time as we broaden the discussion.  Because the class will be virtual again... Read more

Dear all,

On a major renovation where the wall R-value/U-value needs to be brought up to energy code, specifically a mass wall situation, does anyone have insights on how the situation is best dealt with? On the project in question for me, the continuous insulation might have to be added to the inside surface of the mass wall and there... Read more

Howdy all,

Following up on Emily's post (https://www.buildinggreen.com/forum/aia-2030-zero-tool-vs-cbecs-baseline) on AIA2030, the folks on the steering committee's monthly call thought it'd be a good idea to do a general call for feedback on reporting this year while the bangs and bruises are still fresh. The intent is to compile the... Read more

I received the following email from Naajia at Southface.  I'll be out of town until November 8, but I'll see if there's time for me to address at least the second part before I leave:

A question regarding the BIT-User Forum was brought to my attention by a participant. Apparently when you are posting a question and you pick your location... Read more