Though BuildingGreen has long supported the use of electric hand dryers as a more environmentally friendly hand drying option, the majority of evidence appears to support paper towels as a preferred method of controlling the spread of potential pathogens. 

And even the most efficient hand dryers contribute significant CO2 to the... Read more

Sustainability leadership has requested that you take this quiz to help assess sustainability literacy across the firm. Your own results will be presented to you at the end of the quiz but will not be shared with anyone else. Only aggregated, anonymized results will be available to others.

Please don’t do research to inform your... Read more

Hi Gurus,

LMN is embarking on a 17-part series to explore a more comprehensive carbon metric via summaries of various topics with lots of link. This dovetails with many other efforts in the industry and will reference all the best stuff that we are aware of...such as MEP 2040, SE 2050, CLF stuff, Epic tool, CARE tool, Arch 2030... Read more

Something we seem to be seeing a lot in our market recently are projects split into multiple packages - footing / foundation, C&S, and then later a TI package of CD's... mostly in an effort to speed up permitting and construction schedules. (Oftentimes with a contractor on board for a design / build approach). 

My question to the... Read more

Hi All -

I have a non-profit project that has a lot of wood structure to it, but the truss suppliers have both said they cannot get FSC wood for the project.

So, looking at the Legal Wood Pilot Credit, I need some help.  Can anyone tell me where i can find the definitions between "legal", "responsible" and "certified" are? (I'm... Read more

Welcome to the quiz portion of The Death and Rebirth of DC Power. 

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


Explain when and how to integrate DC power into buildings, and the benefits of doing so.

Understand the history and background of AC and DC power in the U.S.

... 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

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

This just in from Liz York at CDC: There's a webinar on Friday 11/2 at 3-4 ET on Building Design and Pandemics. For those who signed the petition to WHO urging action on aerosol emissions and have been following the ups and downs of those advisories, this is an especially welcome chance to hear from experts and ask questions. 

Centers... Read more

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

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

Hello Green Gurus,

Here is the information for this month's Peer Networks Webinar, Making the Case for Equity with Data: a Free Tool for Project Teams. We hope you will join us!

Register HERE.

Making the Case for Equity with Data: a Free Tool for Project Teams
Tuesday, July 27th, 2021
1pm - 2pm ET (10am - 11am... Read more

As I mentioned in my five-minute presentation this morning and then discussed a little more in the break-out on RELi that followed, the full RELi Rating System, in its current form, has now been posted online: http://anyflip.com/zyqc/mdir/

Unfortunately, this is only posted as a flipbook, currently (viewable online only), and isn't... Read more

Hi all,

We're doing some tool-related soul searching at WRNS and some folks here have raised Cove.Tool as a potentially interesting addition to our library. I'm looking for any insight you all can provide. Cove has come up various times, but curious if there's been any change for the better/worse in the past few years.

Do you use... Read more

Hi all,

Just like many of you, our firm is dedicated to increasing representation in the professions and through its relationship to the AIA Large Firm Round Table was able to access a National Organization of Minority Architects Fellow this summer. We’re loving our work with Himesh thus far, but it’s unclear whether we have the workload... Read more

Lighting can be inefficient and have poor quality, short lifespans, and toxic ingredients.

BuildingGreen-Approved Replacement Lamps and Lighting

BuildingGreen approves a variety of replacement lamps and lighting, including:

Testing web-to-lead to existing contact in Salesforce.