Hi all!

I'm working on my first energy positive / passive house multifamily building and trying to figure out the trash/recycling chute. I am curious what solutions you have employed to make the trash chute air tight? We have excluded the whole chute from the envelope. Do you use airtight doors (and which ones?) at each floor trash/... Read more

THIS WEBINAR PURCHASE AND REGISTRATION IS CLOSED.

Are your clients asking you about wellness? You’re not alone. Employee health and wellbeing has been called the ‘second wave of sustainability.’ In this hour-long live webinar, GreenStep Education’s Alex Spilger will walk you through Fitwel certification, including its requirements... Read more

Hello all,

Could any of you point me out to recent studies showing the health impacts of plastic piping vs. copper piping? 

We have a project where NIRON or Aquatherm are proposed as a VE item in lieu of copper.  I know there is some studies showing PEX and PVC piping health impacts, but I can't seem to find anything on these 2... 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

Seeing Jen's post prompted me to write in support of the Madison Park Technical Vocational High School program (Greenbuild Legacy Project). I spoke to the students earlier in the year and it is a great program. I'll reach out to our HR about interns.

I am the Director of Facilities Management Integration and Sustainability for Shawmut... Read more

Hi folks,

As you may know, this network is part of a family of Sustainability Leader Peer Networks that BuildingGreen hosts. They each have their own private forum, and there is also a shared cross-network forum called "Green Gurus." 

Those of you have already paid in to be part of this network moving forward have automatically... Read more

<iframe width="560" height="315" src="https://www.youtube.com/embed/7tCYQiWxxyA?si=lzTgKz9JaQ50_8HT" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>

I wanted to make sure that you didn’t miss this fun event.  We can all use some fun right now.

Built Environment Plus is celebrating the arrival of spring with a fun competition to get people out and about safely. A digital Scavenger Hunt will allow teams of 4 (or larger families) to complete a series of photo, video, and text missions... Read more

I am looking for case studies/trying to identify buildings using concrete mixes with upwards of 30% replacement of cement by SCMs.  I've been in conversations with some structural engineers who are interested in lowering embodied carbon in upcoming projects, but would like to see examples of where this level of replacement has been successfully... Read more

Welcome to the quiz portion of The Problem with Net-Zero Buildings (and the Case for Net-Zero Neighborhoods).

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


1. Describe several unintended consequences of focusing on net-zero-energy buildings.
2. List at least three advantages... Read more

Hello everyone!  There hasn’t been much activity on this forum in recent months, so we wanted to give an update about what’s been happening and things coming up. 

Firstly, we are very excited for the upcoming inaugural SCL Summit the day before Greenbuild.  We currently have about 20 people signed up for the Summit and we are expecting a... Read more

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

Air movement keeps occupants comfortable when it's warm, so cooling setpoints can be higher, and natural ventilation is a viable option even at higher temps and humidity.

BuildingGreen-Approved Ceiling Fans

BuildingGreen approves Energy Star-certified ceiling fans with ECMs—motors using electronic commutators.

Energy and... Read more

Per our discussion on today's SMEP call, it would be interesting to have a more in-depth discussion on Indoor Air Quality. Questions I have personally...

My apologies if I posted this question twice ont he forum - I am a newbie on this forum.

Anyone knows how to import an structural emobdied carbon project file into architectural project file of the same proejct to generate a combined Sankey graph?  My Building Transparency/CLF contacts haven't got back to me for a week now...

... Read more

Hi all,

I'm sure many (most? all?) of us have heard the changes to LEEDv4's energy standard are coming. If this is news to you, info on the balloted measures that have passed is available online here: https://www.usgbc.org/articles/leed-v4-energy-update-approved-member-ballot.

My question to MEP friends in the Green Commons: In... Read more