Hi Shane and Dennis,

What return address should we use for BIT User forum notification emails?  Ben suggests something like no-reply@bit-user.org but whatever you like is fine.

Once you decide, please let us know who controls the domain name (e.g. bit-user.org or bitbuilding.org).  Ben will send them instructions for editing the... Read more

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

THIS WEBINAR PURCHASE AND REGISTRATION IS CLOSED.

In simpler times, our buildings were made primarily from local, natural substances like stone, wood, straw, and clay.

But lifestyles have changed dramatically since these were... Read more

Hello, what acceptable levels of air quality are you using to evaluate natural ventilation strategies for your projects?  In our Living Building we only open windows when PM10, PM2.5, etc. are within LBC and WELL limits.  In a seasonally smoggy urban environment, this limits how often we can utilize natural ventilation even if the outside... Read more

Thank you to everyone who signed on to the Materials Pledge letter.  It was officially released on April 15th with 56 signatory firms.  The Materials Pledge will soon have a new home online and a way to continuously add more signatory firms.  I'm keeping a list for now and there are already four more firms who want to join.  I will let everyone... 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

Hi everyone, 

We’re so excited to announce that registration for the 2025 SCL Summit is now live! Register here and save your seat to join BuildingGreen, your SCL peers, and members of all three other networks for a first-of-its-kind summit this year.

In addition to the SCL Summit, you’ll have the option of joining us for the all-... Read more

Typically made from petrochemicals, carpet and its adhesives can offgas. It is also a challenge to recycle them, increasing the chances that it will be incinerated or disposed of in a landfill. Because carpet has a limited lifespan, its life-cycle performance is key.

BuildingGreen recommends modular carpet that demonstrates lower life-... Read more

Exterior shade or screening devices are generally much more effective at reducing solar heat gain than their interior counterparts.

BuildingGreen-Approved Shading

BuildingGreen approves exterior window and glazing attachments that reduce solar heat gain and glare or redirect daylight, providing important energy benefits while... Read more

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

We're looking to expand our design performance group - let Peter or me know if you have someone to recommend to us! Here's the description. 

Hello Green Gurus,

Here is the information for October's Peer Networks Webinar, How to use the Building Environmental Justice Tool for your next project. We hope you will join us!

Register HERE

How to use the Building Environmental Justice Tool for your next project
Monday, October 24, 2022
2 - 3pm ET (11am -... Read more

Jill is a licensed architect with WELL and Living Future accreditation. Through her experience leading sustainable achievement and verification on projects in the workplace, K-12, civic, and retail/mixed use typologies, Jill brings her passion for sustainable materials across vetting categories, AEC disciplines, bid scenarios, and market... 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.

Welcome to the quiz portion of Can Concrete Save Us? Locking Up Carbon in Building Materials

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


1. Explain current strategies of carbon capture and sequestration (CCS).
2. Detail how concrete offers another possible pathway to... Read more