I was wondering if any design or contractor friend here can kindly share the carbon emission factor of excavation during construction. 

I found a paper that provides energy use rate per cubic meter and associated carbon emission in kgCO2 for different phase of construction such as excavation earth work, pouring and lifting concrete,... Read more

Hive mind,

We recently learned that 3M has discontinued the production of their 3M Daylight Redirecting Film (https://www.3m.com/3M/en_US/building-window-solutions-us/solutions/dayli...). This product was selected by an architecture client last year as the optimal daylight/glare control strategy for a school project, and we're assisting... Read more

Hello Green Gurus,

We’re happy to see the first round of summit registrations rolling in! We’ve had lots of questions about specific topics for the sessions. As usual, the agenda will be based on topics that are top of mind for you.

Whether you are already registered or not, please fill out the Pre Summit-Palooza Survey to help us... Read more

Gurus -

I'm looking for (or to build) a set of US district energy projects for developer-led mixed-use/residential neighborhoods/districts.  Does anyone have a resource for this or have started something similar?   

I am not a member of IDEA but utilize their site quite often. Any other resources come to mind?  I'd be happy to... Read more

I'd love to hear thoughts from the design, consulting, and contracting firms in this group about ways to make our specs more inclusive, or at least less exclusive to minority and women owned contractors and subcontractors and others that have not had the benefit of what a recent "Equity in Specs" presenter termed the "Fathers / Brothers / In-... Read more

Hi all,

Passing on a message from Julia Siple at AIA who is conducting a series of focus groups related to the AIA 2030 Commitment's DDx platform. You may have already received this from other channels but I thought I'd post here as well in case it got missed. They are looking for more participants in the morning and lunchtime (lunch... Read more

Discarded tires are an environmental disaster, and finding a beneficial use for them is a high priority.

BuildingGreen does not approve any flooring product that is made with tire-derived rubber, though some products may be appropriate for exterior use.

Is there a list of which number corresponds with each Best Practice? E.g. "03 Energy Audit & Planning."

Welcome to the quiz portion of The BuildingGreen Guide to Insulation!

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


1. Discuss how insulation works to increase the energy efficiency and environmental sustainability of buildings; 
2. Explain why certain materials make more sense than... Read more

Can anyone suggest a recruiter that knows the trick to finding MEP talent that is passionate about sustainability? It would be much appreciated.

Hi, we need 3-4 folks to volunteer to join us to work out a draft Materials section for the Contractors Commitment.  Meeting set for 6/16 @ 2 PM CST.

Please message me at pslloyd@leopardo.com if interested in participating.  I will forward out the meeting invite. If the time doesn't work, but you want to participate, I will share info in... Read more

Hi Green Gurus,

In this stressful time, I think it is important for us to continue to feel connected and supported.  Also, it is difficult to come to terms with the reality of what is happening.  So, I thought it would be helpful for us to share some information about the response of our respective firms to the Coronavirus.

The... Read more

B-Boy Newsy

Welcome to the quiz portion of Boost Happiness and Save Energy with Adaptive Thermal Comfort!

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


Define “adaptive thermal comfort” and explain how it can contribute to occupant health and satisfaction.

Compare the adaptive comfort model... Read more

Hello everyone,

For those I have yet to meet, I'm Jen, the latest member of BuildingGreen's Peer Networks team.

Although it's been a few weeks now, we wanted to share the slide decks from some of the presentations that took place in Las Vegas back in June. Thank you to those of you who presented and who have given us permission... Read more

I'm curious if anyone has used Carbon Solutions Group to buy RECs?  Or who do you use for certified off-sets?

If this is not an allowed topic on here, feel free to email me directly at Laura.soma@gly.com.

Thank you!