Hi everyone! LMN is embarking on a 17-part series to explore a more comprehensive carbon metric via summaries of various topics with lots of link. This dovetails with many other efforts in the industry and will reference all the best stuff that we are aware of...such as MEP 2040, SE 2050, CLF stuff, Epic tool, CARE tool, Arch 2030 publications... Read more

Hi folks, I'm reading Zen and the Art of Saving the Planet (Xmas gift) and came across this quote over the weekend which resonated for me, and thought might for this group as well:

"We may feel immense pressure to save the planet in this lifetime, and we may be afraid that we can never do enough. The stark truth is that the planet doesn'... Read more

Everyone agreed during last Friday's meeting that we want to call the site BITuser. The question, however, is what domain name should be used.

Whatever domain name is chosen, it will redirect to the actual site URL -- https://bituser.buildinggreen.com (similar to how LEEDuser.com redirects to https://leeduser.buildinggreen.com).

... Read more

Greetings, Green Gurus:

As unbelievable as it sounds, the Environmental PROTECTION Agency has launched a PR blitz in support of their "new use rule" on asbestos. So the BuildingGreen community needs to push back harder. I'm reposting the links to the letter of opposition that Mary Ann Lazarus put up last week. We definitely need more... Read more

Hi folks,

We often hear from you with a suggestion of someone who would be great for the network, and a question about how to refer them. We've now made that easy, with three steps laid out in an Outreach Toolkit that's posted in the left margin of the Member Directory.

So, if you're thinking of someone to invite or come across... Read more

Welcome to the quiz portion of Existing Buildings Are Architecture’s Future!

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


My firm didn't have representation at the winter summit, but I've just read the report (thank you, RoseAnn!), and was really glad to see there was conversation around mass timber. I'd love to talk with anyone who was involved in that roundtable to get a deeper download about the discussion. We've been doing a lot of mass timber buildings and... Read more

Green Gurus –

Clark Brockman brought to our attention an important and impactful opportunity to advance building decarbonization through the US Department of Energy’s proposed rulemaking around water heater efficiency, advancing adoption of heat pumps, while still providing exceptions (and efficiency targets) for electric or natural gas... Read more

Hi All,

Elkus Manfredi Architects in Boston is looking to fill a few positions -if you know of anyone looking in the Boston area, plesae let me know or send them my way. Kfritsch@elkus-manfredi.com

Specifically looking for an entry-level person with specialized expertise in parametric modeling, conceptual energy modeling and... Read more

Ventilation fans, kitchen range hoods, and laboratory fume hoods can use significant amounts of energy from both the fan motor and from venting heated/cooled air out of the building—air that then has to be replaced and conditioned by energy-intensive HVAC systems.

BuildingGreen-Approved Ventilation Fans

BuildingGreen ventilation... Read more

I am excited to announce that BuildingTransparency.org just launched downloadable specs and associated guidance that a couple of us have been working on for a few months.  Here is the EC3 announement:

Hi folks,

We've arranged a room where we can gather for an hour and check in during the Thursday afternoon reception time at Living Future. If you'll be there, come join us!

Thursday, May 2 at 5:30, Skykomish Room (#604, 6th floor)

The group will be mostly Sustainable Design Leaders, as that's by far our largest group, but... Read more

Hi SD Leaders: I'm hoping that you guys can be a great resource for a family member who teaches at Carnegie Mellon University, Professor Marvin Sirbu. Marvin teaches and does research in the Energy and Public Policy department and each year leads a class that takes on a challenging real-world problem to arrive at innovative solutions. This time... Read more

We're thrilled to announce that, for the first time, the 2025 Summits for each Peer Network will be hosted within one week and in a single location. You’ll get the deep peer-to-peer time you love from a Summit AND some glorious cross-disciplinary time to experience the power of the Green Commons. It’s all happening at the Kimpton Cottonwood, a... Read more