Has anyone here performed circadian lighting studies for WELL using rhino/grasshopper (Lark Spectral Lighting)? 

It seems that Lark can only simulate circadian metrics for daylighting, and NOT electric lighting.  Can anyone shed some light on this?  pun intended :)

Are there any other tools out there that would enable us to... Read more

Hi - Posting on behalf of Pete Munoz at Biohabitats

Biohabitats is hiring a proposal coordinator in Portland. Please spread the word. Thanks!

PROPOSAL COORDINATOR

Cascadia Bioregion Portland, Oregon is the preferred location, but will consider Denver, Colorado or  Santa Fe, New Mexico  

Years of Experience: 5+ years... Read more

Hi Green Commons,

It’s been eerily quiet here since Tuesday night. I’ve been quiet mostly because I just didn’t know what to say. The election results are certainly a blow to pretty much everything we’ve been working for. There is so much we don’t know about things might play out, but I’m feeling a range of emotions ranging from... Read more

Thank you for your interest in the Sustainability Leaders Peer Networks hosted by BuildingGreen. We have received your application.

A BuildingGreen team member will be in touch with you soon via email to discuss next steps in the application process.

Go to home page »

Hello Green Gurus! 

We are planning a virtual Show & Tell and Happy Hour for Oct. 30th 7pm - 9pm ET (4pm - 6pm PT) with a Halloween theme, bring your best costumes! We will hold presentations (virtually of course!) for about the first 1 hour and 20 minutes and then will transition to some fun Happy Hour festivities, sharing, and... Read more

Welcome to the quiz portion of The Hidden Science of High-Performance Building Assemblies.

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


 

1. Define hygrothermal pressure and explain what it requires of water, air, and thermal barriers in high-performance assemblies.
2. Explain... Read more

Hi Gang, 

We are looking to implement the contractor commitment and are running into COVID-19 protocol barriers when looking at the Jobsite Wellness category specific to the soap as well as the food storage/eating areas on site. Anyone else run into this issue? 

-Kena 

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 all,

We are growing our sustainability group at Flad -- we have a great opportunity to make significant progress as we approach 2030, and we are currently looking for someone to join us in our Madison office. If you know someone who is looking for an entry-level sustainability position, and would enjoy living in Madison, Wisconsin, my... 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

Another Break-out by Firm Size.

Guiding Questions:

SDL Best Practices by Firm Size

What's working and what's not? How are others integrating successes?

What strategies are effective in each of these areas: ongoing education, research, knowledge sharing?

How can we structure our green team across... Read more

Hello,

We are in the very early planning phase of a k-8 public school project to be designed and built in an economically challenged urban location with very limited site options. The project is not LEEDv4 registered yet.  We are at feasibility and costing the soil remediation, needless to say that we would really hope there would be... Read more

Hans “Grumpy” Grimm

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

Re: 310 CMR 78.00: Ban of Covered Products Containing Certain Flame Retardants. This law took effect as of April 01, 2021, and is enforced by Mass DEP. 

Full text: https://www.mass.gov/regulations/310-CMR-7800-ban-of-covered-products-containing-certain-flame-retardants

Quick Summary: Law bans 11 types of chemical flame retardants from... Read more

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