We are working on a large healthcare project in Minnesota.  We're setting sustainability goals a bit late - no certification, but targets with accountability.  I'm working to determine recycled steel content (for structural steel and rebar), and I've gotten a bit of push-back on recycled content based on being in the region of the Iron Range... Read more

Hi everyone,

As designers who sometimes work in the field of healthcare, we occasionally like to gather data about both current attitudes and future possibilities. Steffian Bradley Architects would greatly appreciate your participation in our 2018 survey by completing the questionnaire linked below.

All responses are anonymous to... Read more

I've been hearing recommendations for bipolar ionization, as a way to filter airborne virus particles in HVAC systems while avoiding the energy penalty of increased ventilation. However, I've also heard that ionizing equipment is dangerous because it produces ozone.

Does anyone have any insight into the effectiveness and/or cautions... Read more

Hi all,

I've tried a couple of different search terms for the forum but haven't been able to find any past conversations on electrochromic glazing yet (which makes me suspect I might be missing something...). We have a potential opportunity to use it in a vertical curtain wall application with a client that is very interested in the... Read more

Hello Sustainable Community Design Leaders,

The SDL Winter Summit (Jan 23-25, Tempe AZ) has a few spots still open, so we are excited to invite SCDL members to join! This is an opportunity to plug into the conversations happening in the Sustainable Design Leaders group, plus a possible chance to carve out some in-person SCDL time.

Hi All:  We are in the design phase for a 5,700 SF project in NH. The team is taking care to drive down embodied carbon where possible. It will be NZE.

A1-A3 emissions are coming in at 67.15 kgCO2e/sf, of which 11.97 kgCO2e/sf is a hot spot attributed to permeable paving and concrete pavers (a little skewed, since lot and patio sizes... Read more

Hi folks,

It's here! Highlights, key takeaways, and pics from our packed few days together in Ashland, Mass. in the 2023 Summer Summit report.

From the intro:

Effectively meeting the challenge of the moment is what the world needs from us. Being grounded and energized by connections and sharing with our peers in a safe... Read more

Hello all, 

Many of you have been asking about the CC reporting template for 2023 projects. It is still in-progress, but we can promise a huge upgrade from the past couple of years. In particular, the new template is designed for ongoing project tracking over the course of the year (rather than purely documentaion after the fact).  ... Read more

This just in from Liz York at CDC: There's a webinar on Friday 11/2 at 3-4 ET on Building Design and Pandemics. For those who signed the petition to WHO urging action on aerosol emissions and have been following the ups and downs of those advisories, this is an especially welcome chance to hear from experts and ask questions. 

Centers... Read more

Dear all,

On a major renovation where the wall R-value/U-value needs to be brought up to energy code, specifically a mass wall situation, does anyone have insights on how the situation is best dealt with? On the project in question for me, the continuous insulation might have to be added to the inside surface of the mass wall and there... Read more

RoseAnn’s role at BuildingGreen as Peer Networks Manager focuses on Peer Networks projects and planning events, including annual Peer Network Summits. 

Prior to BuildingGreen, RoseAnn worked in the nonprofit sector in customer-service based roles which allowed her to reconnect with her local community soon after earning her... Read more

Mark your calendars! Wednesday March 9th, 3-4pm ET (12-1pm PT) - Sustainability Leaders State of the Regions.

We’ve seen a lot of momentum building around the potential for regional Sustainability Leaders groups, and we want to learn how best to support this activity. On this call, we’ll have a few currently active regional groups share... 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

I am wanting to take the pulse of this group on behalf of a manufacturer who has asked us a similar question.

The company in question makes wood products and has had FSC CoC for over a decade. Recently, they are encountering issues with sourcing FSC for about 50% of the wood species they offer. There just aren't FSC sources available.... Read more

Hello - Other than hiring an acoustic consultant, I am wondering what in-house tools you are using internally at the design stage for modelling acoustic performance? 

Thanks, Mona

Welcome to the quiz portion of Passive House on Campus: Eight Exemplary Projects​!

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


Explain the primary reasons that higher-education projects are pursuing Passive House certification, including its impact on the environment and occupant health... Read more