Our Sustainable Construction Leaders peer network famously developed the Contractor's Commitment.

Famous because it is the industry's only agreed-upon framework for systematically addressing the environmental and social impacts of construction activity.

Famous because it now has 27 signatories, collectively accounting for $49... Read more

Hi! We're putting together a pre-summit survey to collect input from everyone who's signed up for the Summit; we'll use that to prep the agenda for our get-together July 9-10.

Based on our last few phone calls, here's a list of topics on our radar. If there are others you'd like to see added to the survey, or if you have more thoughts... Read more

Currently, the BIT User site is fully accessible without having to log in (unless you want to edit or add content, of course). The time has come, however, to start restricting access only to logged-in users.

Which sections will be freely visible, and which will be visible only to registered users? Here's what I recall from our earlier... Read more

Hello Sustainable Design Leaders,

Mark your calendars for an exciting webinar next Wednesday, May 27th, at 2:30pm ET and REGISTER HERE!

Missing the Forest: How forest practices impact the carbon embodied in mass timber projects is a follow-up to last month’s conversation on embodied carbon and mass timber. The presenters will be... Read more

Join your peers and BuildingGreen February 22–26, 2021 for an all you can eat buffet week of networking, problem solving, and connecting with sustainability leaders within your industry and across the Peer Networks! During this week we will create a space for you to offer and receive support, exchange ideas and resources, and become stronger,... Read more

We had so much fun at our Contractor coffee talk that I reached out to our MEP friends to see if they would set up something similar.  And they have agreed to host a talk on Thursday December 2, at 1-2pm EST.  They will talk about decarbonizing buildings, on a schedule that keeps us under the 1.5° C limit and will also address strategies for... Read more

A couple questions for this group. I know we're having a Green Commons meeting on this next week. But can anyone comment on the following questions?

-Have you or your firm split the benefit of the 179D with a client? Is this typical?

-Is prevailing wage a requirement for all 179D benefit, or does it follow the same lines as... Read more

Hello Colleagues,

You all know our industry’s progress over the past decade related to the impact of materials. We have come a long way. Today we have over 110 firms that have signed onto the A&D Materials Pledge, pledging to a holistic approach to materials considering: Human Health, Climate Health, Ecosystem Health, Social Health... Read more

The 2018 ENR Green Building Survey is due March 16th.  I'm sure you all know the metric they use to evaluate your ranking is solely the revenue from projects pursuing a green building certification in the previous calendar year.  Personally, I think this totally bogus.  How "green" a contractor is may correlate with how much revenue they have... Read more

Alerting building occupants about indoor air pollutants is important in many situations.

BuildingGreen-Approved IAQ Equipment

Products approved by BuildingGreen range from single-use test kits to monitoring systems installed throughout a building. Some test for gases such as radon, VOCs, or carbon monoxide, and some for mold and... Read more

Was anyone else surprised to see ASHRAE 228-2023 using eGRID Subregions for both the Regional Electricity Source Energy Conversion Factor and Regional Electricity Greenhouse Gas Emission Factors? In the past I have used eGRID sub-regions but also State and local utility conversion factors depending on what energy or operational carbon story I... Read more

Were we given any warning that LEED Online and USGBC.org would be down for a week?  

Will you be at Greenbuild in Chicago? Stop by BuildingGreen/LEEDuser booth #1522 for informal conversations with guest experts and BuildingGreen editors. You are encouraged to RSVP and add the meet-ups to your calendar, but not registration is not required.

WEDNESDAY NOV. 14

10:45 AM - 11:15 AM
Dan Winter, Neil... 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

Hello Green Gurus,

Our next Peer Networks webinar is coming up in just two weeks! We’ll hear from the Indoor Air Quality Working Group, authors of the recently published whitepaper “Considerations for Continuous Air Quality Monitoring: Simple tips for getting it right, according to IAQ consultants”.

More details will be available... Read more

With extensive environmental science research background, Elene Drosos provides contemporary commentary on the current climate affairs. She contributes up-to-date trends and shifts in regulations in major green building issues such as LEED and natural disasters. Her passion is to strive for biophilic design where native landscapes can dominate... Read more

Just highlighting a tool from Circular Ecology (the group that brings you the Inventory of Carbon and Energy data) for measuring Scope 1 and 2

https://circularecology.com/organisational-carbon-footprint-tool.html