Thought this was worth sharing - Lance Davis, who manages the P100 program for GSA just posted to an email group i belong to that the GSA P100 program is to be updated in 2024.  In service to that, there is a "P100 Change Proposal Form" available for folks to make helpful suggestions.

They are asking for suggestions, i think we should... Read more

I have been watching LEED Zero for a while, and have appreciated certain things, but one thing I think is an absolute disaster is their allowance of mainline RECs for claiming Zero Energy and Zero Carbon performance.  I just asked this question on the LEED Zero webinar, and the panelist basically said, "it's part of LEED Zero, therefore it is... Read more

Hey there hive mind,

I'm hoping y'all can help me as I coach one of my colleagues along his path to develop into whoever he's supposed to be when he grows up. He's interested in focusing on the analysis and innovation side of sustainability and I honestly don't know where to send him for networking with other like-minded people beyond my... Read more

Hi All - 

Has anyone explored hydronic system analysis software (1D CFD)? 

Some options are PipeFlo, AFT Fathom, PipeFlow (eerily similar name to first option), COMSOL Pipe Flow Module. 

Applications could range from general system troubleshooting, pump sizing, to district hydronic system network analysis. 

Best,... Read more

Hi everyone, 

We’re happy to officially announce some big news you might have heard about on our monthly calls: as we wrap up 2024, we will be transitioning to a new platform for our Peer Networks Hub! 

Instead of finding the forums, member directory, and all other Peer Network resources on BuildingGreen.com, you will be able to... Read more

Hello all,

My name is Stephen Messinger.  Thanks for including me in the group.  I am excited to get involved.  Glad to see some familiar and amazing names on this list.  

A little about me: I am born and raised in Massachusetts.  I live in Jamaica Plain (Boston) with my wife Lauren and two amazing daughters (Penelope, 4.... Read more

Virgin materials can come with major environmental impacts from mining, petroleum extraction, or irresponsible logging practices.

BuildingGreen-Approved Site Furnishings

All approved products contain some post-consumer recycled content, with several boasting 90%–100% overall recycled material. Wood products are responsibly sourced... Read more

As Editorial Director for BuildingGreen, Tristan Roberts brings a deep commitment to environmental stewardship, a broad knowledge about sustainable design, deep understanding of green building products, and a mastery of all things LEED. A longtime contributor of in-depth feature articles in Environmental Building News and regular reporting on... Read more

At the start of 2021 there was one signatory to the contractors commitment (thanks Leopardo!).  Today, there are 12 companies participating, representing over $24 Billion in total revenue.

We don’t always give ourselves enough credit or take enough time to savor our accomplishments because there is always more to do.  But, this is a big... Read more

Welcome to the quiz portion of 20 Ways to Advance Sustainability in the Next Four Years!

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


Identify the challenges to green building during a time of environmental urgency and political unrest, and find opportunity in these challenges.

... Read more

I just saw this post from Conor on LinkedIn.

Starting in January 2019, all new Columbia Construction Company projects require LED temp lighting.

Are others doing this too? Frankly, given all the benefits and how quickly the industry is matured, it's hard for me to understand why anyone would use anything other than LEDs on a job.... Read more

Curious to see if your firms have researched metals and established a preference for what you use for roof and wall panels?  I'm interested in ranking environmental performance for painted steel, galvanize steel, weathered steel, painted aluminum, zinc, etc.

Hi Green Friends - I hesitated to post on April Fools, but wanted to get the link out for folks to share with their netowrks    I'll be teaching a workshop at the Pacific Energy Center on May 11 on Electrification Retrofits of Exisitng Non-Residential Buildings.  I'll be bulidng on the great work our sub-committee led by Allison has been... Read more

Apologize in advance if this has been posted before but we are trying to get manufacturers of stage curtains to give documentation that proves that the product does not have halogenated fire retardants. Manufacturers say they don't have them or concentrations are limited to 100ppm but they don't seem to have documentation to provide for it.... Read more