"The man with one watch knows what time it is; the man with two is never sure."   --Segal's Law

We recently purchased two indoor air quality meters in the $200-$300 range and find that they never agree, not even close. I would like to find out what other people's experiences have been, and if they have tested affordable models that... Read more

This came up a number of times at the SDL Tempe Summit so I thought I would share. If you have not already I highly recommend this recent research paper from the UW-IDL on the tradeoffs of operational and embodied carbon in envelope design in different climates. As a Passive House nerd it made me question the super-insulated envelope at least... Read more

Hi Advising Leaders!

Lets get this forum going by introducing ourselves (yes, I know we mostly know each other, but just to be sure). And sharing what's most exciting and/or bugging us these days. Oh, and if you haven't already, please fill out your BG.com profile with a picture and bio. 

I'll start. I'm Nadav, president at... Read more

Hi all, 

You all know how much the Living Building Challenge and other ILFI programs have transformed the aspirations of our industry, right? This year ILFI has the privilege of being included in Washington's GiveBig campaign! For the next two days, you can help bring attention to the site, raise support and draw people to the page where... Read more

I came across these open roles recently on Gensler's career page. Sharing them here if there is any interest in this group. As I understand it, though the roles listed are in NYC and NJ, they would be OK if the person reported to one of the following offices: NYC, Morristown, Boston or Toronto.

Sustainability Specialist – NJ: https://... Read more

I hope this post finds you all well. Some news to share.  I have recently made a decision to leave Thornton Tomasetti with an eye toward finding another opportunity to use my 30+ years of green building experience, education, and advocacy to have an even larger impact on climate change. I am going to move slowly to ensure my next chapter is the... Read more

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

Hey everyone, HNY!

I'm looking for help in vetting the sustainability cred of uPVC polymer window systems, specifically as an altnerative to traditional PVC vinyl frames. We recenly had a presentation from Intus Windows, who claim that their uPVC frame systems have a low-toxicity profile and excels in performance for thermal efficiency,... Read more

Hi all, has anyone come across a comprehensive (and recent) study looking at how long buildings actually last (beyond Stewart Brand)? I know of plenty that look at the benefits of reuse, but none that look at existing building stock and how much has been reused vs. demolished. 

As we start looking at embodied carbon metrics, I can't help... Read more

Hello SCL- as we move closer towards the release of the Contractors Commitment we have realized that we need a donation of graphics/marketing help from one of our member firms.

We are looking for help with a BG SCL Contractors Commitment logo, landing page, document organization, and any graphics we might need to highlight the... Read more

Hi Everyone!

I'm Emily, GCI General Contractor's Sustainability Manager in San Francisco. Nice to meet you all.

I started with the company in 2013 and since then we've doubled in employees. I have been handling sustainability solo, until about 8 months ago, when we hired Alejandra Arce Gomez full-time to help manage the... Read more

Greetings Gurus!
Please sign up and spread the word (even if you can't attend, sign up and get follow up info!)

This is one of a series of Hackathons to crowdsource alternative design details that are intentionally meant for disassembly! The outputs are meant for public consumption so that anyone who doesn't have time (that's... Read more

Welcome to the quiz portion of Passive Solar Heating.

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


1. Explain the three classic approaches to passive solar.
2. Understand the relevance of passive solar today.
3. Describe some key elements of passive solar design.
... Read more

Following up on the Decarbonizing Existing Building: Envelope + MEP Solutions Integrative Design Jam, a cohort of us determined a "Decision Making Tree Toolkit" that begins to classify decisions into and "if/then" framework using region, market, climate, scale of intervention, and other factors would be useful in helping us collectively move... Read more

The COTE Toolkit just launched on AIA.org's site, please go and check it out and share with your networks. The project spanned over the last year+ with over 40 authors, subject matter experts, and reviewers contributing to the process, (including many Green Gurus!)

With the goal of closing the information gap to designing high... Read more

Does anyone up here do or have familiarity with anyone who regularly does NEPA EIS? If you need a definition for the acronym, please see here: https://www.epa.gov/nepa/national-environmental-policy-act-review-process#EIS. I've been asked if I know anything about it, to which the answer is no, but I'd like to get smarter about it and I'm hoping... Read more