Hello, 

I am struggling with understanding if I should be using Annual Marginal Emission Factors (MEF) or Annual Average Emission Factors (AEF) for evaluating different building design decisions.

Everything I know is from this document. So as I understand it ... an individual building or retrofit is going to change the marginal... 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

SDL Group -

Hi all!  After a brief hiatus from the group to move from New Orleans to Portland (OR), start a new job at ZGF Architects, buy a house, and  see my baby boy become a toddler (all in the past year!)---- I'm ready to plug back into the group.  Seeing folks at the ILFI conference re-energized me to reengage :)

So…..does... Read more

Welcome to the quiz portion of Whole-Building LCA Tools for LEED v4 and v4.1.

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


1.  Understand the basic goals of whole-building life-cycle assessment, including how it can improve environmental performance and contribute to credit achievement in... Read more

Fellow SCLers,

This is a small ball item, but I recently had a conversation with a safety glove manufacturer called Traffi. They make PPE, but in particular they have a line of gloves that they promote as carbon neutral. Their organization's operations are offset with retired RECs, but one line of their gloves, LXT, is offset by a... Read more

Has anyone worked with Vidaris for LEED certification and have a contact there? If you want to direct email me with feedback on the experience that would be helpful as well.

Hi all,

For your planning purposes for next year, here’s info on an in-person event coming up in 2024:

We are excited to announce that we will be hosting an all-peer-networks workshop for SMEPL, SDL, and SCL members at Miller Hull’s office in Seattle on July 15, 2024. We’re still working out the details, but given the recent... 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,

I wanted to let people know about this webinar--I've heard it's good. If you do catch it please let us know what you think. Jason has offered to do a private version for our Peer Networks as well--I'd love to know how interested people would be in that opportunity.

November 14, 2019 from noon to 1 PM Pacific Time

... 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

We are looking for someone early in their career to take over our green building certifications (mostly LEED).  They will also be helping our office build expertise in other certifications, keeping up with green building ordinances in our markets, and (hopefully) help me answer all those questions about energy codes. 

They do not need... Read more

As the managing editor at BuildingGreen, Elizabeth oversees the day-to-day operations of the editorial department and writes and edits content for publications. As sustainability consultant, she leads components of consulting work related to sustainable strategy, organizational change, socially responsible practices, and stakeholder engagement... Read more

Hi all,

We're seeing more interest and desire for outdoor work spaces, and as we consider the design implications around working outdoors, teams have been asking about wind comfort. We've tested Ingrid Cloud and now SimScale. I'm curious if anyone would recommend any other CFD tools that are geared toward architects? Also curious if... Read more

Hi SDLers,

We’re really looking forward to connecting with many of you in a few weeks for the Summer Summit. Those of you who have registered are now actively helping to set the agenda--as always, it will be filled with rich conversations and connections.

For a range of reasons--new patterns due to the pandemic, the economy, your... Read more

BuildingGreen recommends low-emitting acoustic ceilings that do not contain formaldehyde resins or PVC coatings. Look for those that have C2C Silver or Gold certifications, are Declare Red List Free, and are third-party certified for low emissions using CDPH Standard Method. We also prefer wood ceiling products with FSC certification. The... Read more

I had a client ask recently if there is a 'better' global social justice tool than ILFI's JUST for use outside the U.S. 

Personally, I'd look to WELLv2 feature C12 - Organizational Transparency for other options... but personally have very limited knowledge of options c-e.

Do folks have an opinion on if any of these prograams are... Read more

It’s here! By popular demand we’re re-running the SDL Salary Survey that we last ran in 2015. 

This is for people who are currently in an SD Leader role at a firm. We’re sending this invitation out on both the Green Gurus and the SD Leaders forums, because some of you are still in transition and haven’t moved into the SD Leader forum yet... Read more