In the Passive House session at the Winter Summit, I spoke about a Massachusetts DOER report that found that meeting the new energy code in MA (passive house or better in most cases) is cheaper for some building types than traditional construction. Some of you asked to see the report. It was a power point show. On page 34 of this slide deck... Read more

Welcome to the quiz portion of Natural Ventilation: The Nine Biggest Obstacles and How Project Teams Are Beating Them

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


1. Explain the primary reasons to design a building for natural ventilation.
2. Understand how cost, comfort... Read more

Join Brent & Alex to learn what's new and what's been updated in our BuildingGreen Guide to Thermal Insulation, Fourth Edition, including what you should know about:

So much has changed so quickly!

Our 30-minute roundtable... Read more

There seems to be a slight glitch in that it was posting Seonhee's picture (love Snoopy!) for the post that Duane sent in - is that correctable?

**Just noticed that you can click on the "Edit" tab on the post and correct (e.g. mis-spelled names (Sorry, Seonhee!).**

For those at Islandwood for the Summer Summit this week, we have this post-Summit meeting opportunity with James Connelly and Kathleen Smith from ILFI. This is one in a series of "Living Building Leaders" meetings, at which architects who support LBC get to collaborate with ILFI on how scale up LBC adoption.

Here's the agenda for this... 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!

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/

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:

Jerelyn Wilson’s work with BuildingGreen started in 1985 as an owner and member of the Board of Directors. Since then, her evolving roles have included HR Director, Outreach Director, and currently CEO. She is responsible for working with mid-sized to large architecture firms to implement sustainability education, as well as professional... Read more

Hi gurus,

Do any of you have preferred portable devices for indoor air quality monitoring? I know it's hard to find apples to apples, but ideally temperature, CO2, VOC, PM2.5, PM5 would be on the list. Mid-level accuracy - better than consumer, not as $ as IAQ professional level. Thanks!

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

Conventional roofs contribute to heat loss, heat islands, and excessive stormwater runoff.

BuildingGreen-Approved Green Roofs

BuildingGreen approves systems with appropriate planting media that can be created from regional materials and may be blended for specific characteristics, such as:

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

Has anyone found/used a non-PVC peel-and-stick countertop film?  Working with a client on a corporate renovation, and while we've been able to find a non-PVC product for the kitchen cabinets, I can't seem to find one that works for horizontal surfaces.  And they're looking for a cost-effective and quick-turnaround solution so don't want to... 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

I'm curious if anyone can share their strategy on indoor air quality for the return to office. Is this something that is prioritized at your firm from a wellbeing standpoint and with the current health crisis at hand? Lendlease is looking into options to safeguard our employees/occupants as we move back into the workplace and I'm researching... Read more

Hi folks,

You may have seen this posted to the Green Gurus forum. Paula got some good responses from architects and engineers, but not so much from GCs so she asked me to follow up and post it here. Please reach out to her if you're willing to be included in these articles/reports. Thanks!

Hi! I’m working on two reports about... Read more

Welcome to the quiz portion of What’s New in Multi-Attribute Environmental Certifications.

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


1. Describe several styles of multi-attribute certification.
2. List a benefit and a downside to both point-based certification programs and... Read more