For those who work for companies that track and offset their carbon each year, how do you do it? Looking for best practices and how you vetted where to send your money. Don't need insight on quantifying carbon footprint, just offsetting.  Thanks!

Welcome to the quiz portion of LEED vs. Green Globes: A Definitive Analysis

Note: If you are taking this quiz as a member of LEEDuser, please take the quiz here.

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


1. Highlight the most significant differences between LEED and Green... Read more

Hi folks, 

SERA is pursing WELL certification on our new office headquarters in Portland. We'd like to pursue their innovation credits on carbon disclosures and reductions since there are great synergies with our LBC and Zero Carbon certification pursuits. We’re finding the WELL requirements for carbon disclosures to be quite different... Read more

Dana Manafarm

Hello Green Gurus,

Thank you for your patience while we pulled together the summer summit reports and getting them posted, sorry it took so long!

You can see the most recent summit reports for SDL, SCL, and MEP near the top-left of the Resources page in the Peer Networks Hub.

A friendly reminder, these reports are sharable... Read more

Welcome to the quiz portion of Deep Dive into the Integrative Process with Marcus Sheffer (recorded webinar)

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


Save the Date: If you'll be in DC for AIA's Conference on Architecture or just happen to live nearby, hold 6:00–8:30 pm on Wednesday, June 5 for this event.

We have partners! This event will be hosted by ZGF Architects (on their lovely rooftop patio) in collaboration with US Architects... Read more

I would like to invite you to come see the progress of the Oakland EcoBlock on 4/21! Page is co-presenting at the ULI event and we have been pulling together the latest material. It would be great if you can join!

Dear SDL,

After almost 12 years at Sasaki, I have finally decided to leave for a path slightly-less-traveled. My own development project in Boston (passive house, ZNE condos) is in construction and I will be focusing my attention on that over the course of this year, and then hoping to continue doing similar integrated... Read more

Greetings friends.

Many of you have heard about the CARE Tool, (formerly the 2Build or not 2Build Carbon Calculator.) We are now in the final stages of bringing it online as a free, open access tool hosted by Architecture 2030. We are finalizing and aligning data and working with a web developer (the same one that brought us... Read more

Happy Monday all!

i am looking for ROM on cost premium for LEEDv4 to go from Gold to Platinum and from Gold to Net Zero, anyone have any stats?  just looking for % premium.  Our projects show around 1% to get to Gold but not sure what it looks like above that.  Thank you!

We are looking to refine our general office specifications to weed out harmful materials and to prioritize sustainability for all of our clients. Have you had good experience with outsourced specification writers who are helping to push sustainability forward? Who do you recommend? Bonus points if they are familiar with Massachusetts codes and... Read more

Hey, all. Two questions:

-How do we communicate to you LEED User content that needs to be pulled through to BIT-user pages? Are you all going to assess each BP page for potential articles/topics that will be linked?

-Regarding the forums- is there a way to notify program staff when a forum has an unanswered question? Hoping to... Read more

Hello everyone,

So sorry that some of you couldn't get onto the call on Tuesday! There was a bit of a problem with our Zoom links. I think we've figured it out, so we should be all set next time.

Here are the notes from the call. If you have any questions about something on there, please feel free to post them here and we'll try... Read more

Fluid-applied roofing materials can be added to an existing roof to extend its life and provide reflective characteristics.

BuildingGreen-Approved Roofing

Products listed by BuildingGreen have VOC levels below 50 g/l and reflective surfaces to reduce heat gain.

Energy Star requires initial reflectance of 0.65 for low slopes... Read more