The sheer number of building product certifications and labels is overwhelming, and even those experienced with green labels can get exhausted trying to figure out which are relevant and which aren’t.

The confusion in the market over green labels can complicate efforts of both manufacturers and design professionals... Read more

Has anyone here performed circadian lighting studies for WELL using rhino/grasshopper (Lark Spectral Lighting)? 

It seems that Lark can only simulate circadian metrics for daylighting, and NOT electric lighting.  Can anyone shed some light on this?  pun intended :)

Are there any other tools out there that would enable us to... Read more

Great career opportunity to make an impact on existing buildings and emissions reductions. City of Seattle will be hiring a full time Building Emissions Reduction Technical Advisor. Closing date to apply is August 6. Please share if you know someone who may be a candidate.

Description from city of Seattle:
Want to influence large... Read more

Hi All,

We are trying to make a case for hiring a full time sustainability specialist in our firm, and one of the arguments we want to use is that the ratio of sustainability specialists vs the ratio of full time employees in our company is quite low. That being said, I want to have an understanding of where other firms stand with this... Read more

Hey Gurus:

I have a client who is interested in reporting to their superiors on the status on energy codes in different states across the US. They are hoping to find some kind of summary that might show relative costs for HVAC systems under the various energy codes in effect across states. They are also interested in data that is... Read more

Hello SCL peeps, 

Thank you to all the people who filled out our 2021 event survey. Your feedback did help us narrow down the options, but it was still inconclusive about whether there’s enough interest in doing an SCL-only Summit. 

To stay on schedule with our planning (and to make sure the event will pencil out financially), we... Read more

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

Hello Sustainable Community Design Leaders!

Let’s take a moment, introduce ourselves, and get to know each other and our work! Don’t forget to fill out your BG.com profile with your headshot and bio; this is how everyone across Green Gurus can see you in the Member Directory. 

I’ll kick us off! I'm RoseAnn, I also go by Rose, Peer... Read more

We've gotten some requests recently, so it must be time to update our salary survey. For those didn't participate in the past, we last did one in 2015, and collected some really interesting data about compensation for SDLeaders.

Our first step in getting this started is to recruit a few volunteers who are interested enough in the data we... Read more

Something we seem to be seeing a lot in our market recently are projects split into multiple packages - footing / foundation, C&S, and then later a TI package of CD's... mostly in an effort to speed up permitting and construction schedules. (Oftentimes with a contractor on board for a design / build approach). 

My question to the... 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 everyone, 

We’re excited to announce that registration for the Spring 2024 Sustainable Construction Leaders Summit is now open! Join us at Perkins&Will’s Atlanta office on May 6th, the day before the Living Future Conference. Register early to save your seat, and feel free to reach out to me with any questions at amanda@... Read more

Welcome to the quiz portion of The Cost of Comfort: Climate Change and Refrigerants!

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


Explain how refrigerants work, the energy challenges they present for design teams, and the opportunities for efficiency and building performance.

... Read more

Hello friends. On a current school project, an abuse resistant wall covering has been proposed as an alternative to our typical MDF wainscot. The proposed product has been used successfully in healthcare, and switching to it will save the project almost $1million, which is no small amount when the project is over budget and 7-figure cost... Read more

Chillers are part of larger systems that provide cooling in large commercial buildings.

BuildingGreen-Approved Water Chillers

Because there isn't a single relevant efficiency standard for chillers, approved products use innovations such as magnetic bearings, variable frequency drives, or other technologies that significantly... Read more