We are working on a large healthcare project in Minnesota.  We're setting sustainability goals a bit late - no certification, but targets with accountability.  I'm working to determine recycled steel content (for structural steel and rebar), and I've gotten a bit of push-back on recycled content based on being in the region of the Iron Range... Read more

Welcome to the quiz portion of What You Need to Know About Concrete and Green Building.

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


1. Recognize concrete's environmental footprint and how to reduce the quantity of concrete used in buildings.
2. List the advantages and... Read more

CEUs are available for reading all the building-envelope product guides and primer. Click here to learn more and take the quiz.

Water and air that penetrate building assemblies can damage materials, cause energy loss, and lead to mold, mildew, or other problems. The products used to address these may contain materials that are... Read more

Hi everyone,

As designers who sometimes work in the field of healthcare, we occasionally like to gather data about both current attitudes and future possibilities. Steffian Bradley Architects would greatly appreciate your participation in our 2018 survey by completing the questionnaire linked below.

All responses are anonymous to... Read more

Was anyone else surprised to see ASHRAE 228-2023 using eGRID Subregions for both the Regional Electricity Source Energy Conversion Factor and Regional Electricity Greenhouse Gas Emission Factors? In the past I have used eGRID sub-regions but also State and local utility conversion factors depending on what energy or operational carbon story I... Read more

Hello Sustainable Community Design Leaders!

Let’s take a moment, introduce ourselves, and get to know each other and our work! Don’t forget to fill out your BG.com profile with your headshot and bio; this is how everyone across Green Gurus can see you in the Member Directory. 

I’ll kick us off! I'm RoseAnn, I also go by Rose, Peer... Read more

Dear all,

A mechanical engineer on a healthcare project we are working on has asked for help in dividing the ventilation calculations between ASHRAE Standards 170 and 62.1; can anyone here help shed some light on it?

"This is the first time I am working on LEED for a hospital and I am not sure how the template wants me to show... Read more

Hi folks,

Mahesh announced today that he's leaving his position as CEO of USGBC, GBCI, and ArkScoru, effective Nov. 1. An interim CEO will be announced tomorrow.

I think that Mahesh did some great things for the organization(s)--and he had some really loyal team members. He could also be challenging to work with--as I learned... Read more

Hi all,

I see that this was a hot topic for the Winter Retreat this past year, but I am wondering how your firms manage standard materials across your practice. two aspects - standard specification items, and also designer choice materials. 

1. Do you have a spec baseline with high performance materials that you start with for all... 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

In trying to help a client write a case study on avoided carbon by using slag and flyash, I am having trouble finding a one for one equivalency that can be verified.

I have found for one pound of flyash, one pound of carbon is saved - but I can't verify that.

Appreciate the feedback!

Dear Gurus,

At Greenbuild this year I'll be discussing how statistics can lie (in the context of green building claims).  I'm collecting examples of this to prepare.  If any of you know of examples, please send them to me! 

Here are a few of the fun ways statistics might lie that I would be looking for: biased or too-small sample... Read more

Sages,

I suspect that some of you have already seen this or already signed it, but just in case, for your consideration:

Add your voice to the powerful chorus for climate policy and sign the LEAD statement.

More than 500 sustainability professionals have now signed, and the number is growing! 

To learn more about... Read more

I am still basking in the afterglow of this week's summit, and getting ready to share nuggets of wisdom with my colleagues at our all-staff next week. I was so immersed in the moment that documenting the outlines and choices presented for breakouts slipped my mind. Is there somewhere to access these slides to refresh my memory?

Thanks... Read more

Hello - Other than hiring an acoustic consultant, I am wondering what in-house tools you are using internally at the design stage for modelling acoustic performance? 

Thanks, Mona