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

Welcome to the quiz portion of Stone, The Original Green Building Material.

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


1. Explain how stone is natural and durable, emits no VOCs, requires almost no maintenance, and provides a connection to the earth and our history.
2.... Read more

Embodied carbon in products and existing buildings. What does LCA tell us about renovation vs. new construction and material choices?

Guiding Questions: 

Hi Fellow GG: I just wanted to make sure everyone saw the great announcement from the White House yesterday about Code updates to address energy efficiency and resilience. It's great to see these kinds of initiatives that hopefully can continue for a few more years. So let's try to take advantage of them (said by someone who lives in Missouri... Read more

Hello all,

Thank you so much for your work on the Contractor Commitment. In preparation for the Summit, we've pulled all of the sections together into one cohesive document. We would like to invite everyone in the SCL network to review and comment on this latest draft so that we can compile comments before Wednesday and make the most of... Read more

Hi, all.

Has anyone used Unicel's Timber Curtain Wall System? It uses engineered glulam wood mullions on the inside with aluminum mullion caps / butt joints. Has anyone gotten close to using it, but couldn't get it procured for a particular reason? They note up to 72% more energy efficienct than a conventional aluminum curtain wall and... Read more

Hi Green Gurus,

We have recently had a beloved member of the HKS DesignGreen team relocate to Toronto due to work visa challenges in the US. Our loss could be your gain if you have an office in Toronto! We are hoping to collect a list of leads for him once the dust settles on his move and he begins his job hunt. If you have any... Read more

Apologies if some of you are seeing this for the second time - on behalf of Frances Yang, Mike Gryniuk and the Carbon Leadership Forum, consider signing on in support of the SE 2050 Challenge for structural engineers. (Yes, there is an option to sign on as a non-structural engineer, in support of the program.)

http://... 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.

MSA has issued a safety advisory because they have received field reports that their green colored MSA V-Gard Protective Caps are cracking. Please share this with your safety staff if they do not already know. Let's keep everyone safe!

Allen Mutapo

Hello SDL-ers - 

The SDL Climate-Smart Wood Group hosts a monthly online forum for builders all over North America who care about wood - and if that sounds like you, you're invited! As builders, we want to advocate for the conscientious use of wood as part of a holistic commitment to climate justice and resilience. We have been meeting... Read more

Hello Everyone,

LHB continues our search for a Regenerative Design Specialist to oversee our multi-discipline firm's goal to reach regenerative design.  This is a leadership position with unique opportunities to influence architecture and engineering across many market sectors. 

We understand it's been an exhausting year and that... Read more

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

Noise disrupts work, learning, and healing and can create stress and discomfort.

BuildingGreen-Approved Acoustic Insulation

We look for products with:

ASHRAE posted this year's list of honors and right there at the top of the list is our SMEPL colleague, Cindy Cogil - now able to add FASHRAE to her signature block!  Well done, Cindy and congratulations to ASHRAE for recognizing your accomplishments.