Hi there Hive Mind! Hope everyone's doing well and staying cool in the heatwave all over.

An engineer on one of my projects reached out about contact switches for operable windows that are empowered to shut down the associated FCU in dormitory bedrooms when the window is open. This functionality allows the FCU to run at something like... Read more

I was recently asked about potentially specifying concrete with wood nanoparticles and concrete with biochar as a way to further lower the embodied carbon and to increase concrete strength.  These approaches are something I know nothing about, and wondering if anyone in this group has any experience and/or observations that might be relevant to... Read more

If you are interested in sharing this WELL AP Exam Study Guide within your organization... Read more

(posting here for Kira)

Sustainable Design Leaders:

Is your firm using the AIA COTE Top Ten Toolkit in some fashion? COTE would like to hear from you, especially if you are willing to share your story. 

Specifically, we'd like to share best practices and lessons about how it is working (with certain types of projects, at... Read more

I am working on a new community development in St. Paul that is striving to achieve net-zero energy. We are able to get there mathematically by using the extra generation on light industrial rooftops to offset medium-density housing energy use (all buildings are anticipated to have different, private owners). However, this puts us over... Read more

Hey there, Tally users.  I'm looking for some answers to a few basic questions about using Tally:

Hi: I'm writing to share a unique opportunity to make a difference at SCALE as a Sustainability Manager at Amazon Global Services.

This comes from Lisa Matthiessen, FAIA, LEED Fellow who some of you may know. Lisa just joined Amazon's Worldwide Sustainability Team who is charged with making real their Net Zero for all operations by 2040... Read more

Green walls provide an important connection to nature in urban settings.

BuildingGreen-Approved Green Walls

We approve green wall systems designed to:

Quiz body text here

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.

I'm sure may are familiar with Aqua in Chicago, and Joe Lstiburek's article on thermal bridging. (https://buildingscience.com/documents/insights/bsi062-thermal-bridges-redux) We have similar problem with a project that is a residential highrise building, concrete structure. Here is my questions. Will energy simulation be able to pick up the... Read more

Hello Green Gurus,

We are excited to announce that BuildingGreen is planning a series of in-depth virtual facilitation workshops for this fall. We are collaborating with Julie Huffaker from Deeper Funner Change (who you may remember from the 2020 Winter SDL Summit, or her introductions to virtual facilitation back in April). She will... Read more

Ace Brockwell

If yes, take a look at Tour:  TM10: Transit Oriented Development: Chicago Style

https://explore.greenbuildexpo.com/Attendee/Schedule/SessionDetails/256599

It is not full yet, so there is still time to sign up.  Susan King, Sustainability Leader for HED will be showing one of her projects as part of the tour: Lake Street Studios. ... Read more

Welcome to the quiz portion of Measuring Energy Use in Buildings: Do Our Metrics Really Add Up?.

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


1. Explain the differences between site energy, source energy, and energy cost.
2. Summarize three ways in which source energy can... Read more

Is anyone else working on a project doing Living Building Challenge v4.0 Energy Petal? We're working through the Imperative 08 Net Positive Carbon Resiliency Strategy requirements that ask for the project to be habitable for a week in the event of an emergency. We're curious how others are defining "habitable" and what systems assumptions... Read more

Huge shout out to Patty Lloyd, Luke Leung, Janet Olsen, and Sarah Gudeman for their webinar on the Power of Peer Networks. They share lots of insights into the value of participating in BG Peer Networks and many others. Ten bucks to Illinois Green gets you access to the recording--I loved it. What would you have said that they didn't?

Hi all!

I'm working on my first energy positive / passive house multifamily building and trying to figure out the trash/recycling chute. I am curious what solutions you have employed to make the trash chute air tight? We have excluded the whole chute from the envelope. Do you use airtight doors (and which ones?) at each floor trash/... Read more