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The green building world’s most anticipated awards are almost here!

Welcome to the quiz portion of BuildingGreen’s Top 10 Green Building Products for 2018.

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


1.  Explain the transparency and optimization criteria in the LEED v4 (applicable to  Building Product Disclosure and Optimization credits in LEED v4 BD+C and... Read more

Received answers from below questions from NIST Andy Persily

1. Is there a preferred bookends range of CO2 for both “optimal” energy and human performances?

Andy: No

2.Is the ASHRAE ventilation of 1000-1200 ppm average, probably not based on performance, suggesting current ventilation rate is sub-optimal with cognitive... Read more

Hi Everyone!

Does anyone have a good resource for whole-building embodied carbon benchmarks broken down by building use and building category (structure, foundation, envelope, interior)?

I know of CLF’s 2017 Benchmark Study (great resource!) and the One-Click LCA study on European Buildings but are there any others?  I know many... Read more

The results from the "CogFx" study are compelling, showing that people in environments with low VOCs and low ambient CO2 levels score higher on tests of cognitive function.  Specifically, they show that providing 40cfm of outdoor air per (actual live) occupant results in significantly higher scores than even the "Enhanced Ventilation" scheme... Read more

D.J. Greenspecher

Hi All,

I try to respect this forum and limit sharing events to the ones that are extra exciting and this is one of them. Coming up on May 20th 4-6pm,  Built Environment Plus (formerly USGBC MA) is launching our Building Tech Forum v2.0 Series.  Here's the link to register: https://builtenvironmentplus.org/building-tech-forum-2020/

Hi everyone,

It was so wonderful to meet some of you last month and experience the whirlwind of a summit! I hope you've enjoyed looking over the Summit Report and the flip chart notes, and they've helped bring some order to the vast amount of material we covered. Here's one more piece for you - slides from the 5-minute presentations.... Read more

Join us for the Peer Networks-exclusive version of this Greenbuild presentation!

Register HERE.

A New Standard in Facade Design
November 30th, 2020
1pm - 2pm ET (10am - 11am PT)

Description and Presenters: Current façade design focuses more on operating carbon (or energy), even when embodied carbon is accounted... 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

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

Hi SMEP Leaders,

Our next monthly call is Tuesday, June 13 at 2:00 pm Eastern.

We've had a great series of conversations over the past year kicked off by short presentations from you all: interesting projects, confounding questions, emerging technologies and design strategies. It would be great to line up some more of those for... Read more

Posting at the request of Sara Bayer of Magnusson Architecture and Planning, who will soon join this group:

"In our quest to achieve Passive House EUI levels in all of our multifamily projects in a healthy manner, we are encountering pushback on the one item that is not really code min just yet (in NYC) and adds real cost:  ERV’s.  Our... Read more

CEUs are available for reading our entire plumbing guide. Click here to learn more and take the quiz.

Graywater can be treated and used for irrigation or toilet flushing, reducing significant burdens on municipal drinking water and wastewater treatment systems.

BuildingGreen-Approved Graywater Products

BuildingGreen... Read more

We have a client for whom we are designing a very high performance manufacturing facility, and they want to communicate their building's performance both dynamically and in real-time within their lobby for guests and staff.

We would like to mine the wisdom of this group to see what recommendations we can muster regarding high quality... 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 all - I wanted to see if anyone will be in the Chicago area for the upcoming ASHRAE conference (21-23rd) and is interested in an informal meet-up? Or if you aren't going but are already in the Chicago area? Let me know and I'll see if we can organize meet-up!