The BuildingGreen/GreenStep exam prep materials are... Read more

We are excited to share the REPORT from the 2019 Small Firm SDL Summit held in Las Vegas on June 5th. Take a look and use this forum to post questions and comments that will allow us to engage our new members as we continue the valuable conversations begun at the Summit. As you will read in the introduction, we know that collectively small... Read more

Are you a design or building professional who wants to learn more about sustainability—such as how to do energy modeling, improve the building envelope, or use renewables on a project? Now more than ever, it's time to join the sustainable... Read more

Hi all,

I've been working on a LEED project in California for months and our energy modeler wants to use the LI 10480 Title 24 2019 pipeline to demonstrate compliance under LEEDv4. Only problem is, I've never done it that way before, and our modeler and I are consistently speaking in different languages. Anyone done a project under this... Read more

Anyone has experience with CertiPUR-US? I’m having a hard time finding assurance documentation for foam padding for seating.

I would appreciate any feedback or experience on CertiPUR-US program or any recommendations on product.

Hi Green Gurus,

A "fun" take-away from the sustainable MEP Leaders Summit (just ended today):

Inspired by Passive House, we are embarking on a campaign: "Low Load Buildings Are SEXY".

One idea we have is:  what if the AIA design awards set limits on metrics like heating loads to meet basic eligibility?

If you have... Read more

Hello Sustainable Construction Leaders,

In years past, we've hosted an SCL Summit the day before Greenbuild. We'd like to get back to that model, but we also know that there are many other demands on your time. Before we get too far into planning we're asking you to please fill out this quick survey to let us know if you could/would... Read more

If you are intending to participate in the Sustainable Construction Leaders Pre-Greenbuild SUMMIT on November 13 in Chicago, please register. We are preparing the pre-Summit survey that will help to determine the topics on the Summit agenda. You will not want to miss having your top-of-mind challenges be part of the conversation with your... Read more

Hey, all. Confirming the forum index on the front side of the pay wall will be searchable. Thanks.

Has anyone used the new 3M Smog-Eating Granules on a roof before? Malarkey and Soprema are offering this as an option for their roof shingles. Seems like a great technology for urban areas, but I'd be curious to see if anyone here has actually successfully specified and installed it.

https://www.3m.com/3M/en_US/roofing-granules-us/... Read more

The BuildingGreen & GreenStep exam prep materials have been updated to the latest version based on the actual v2 exam. The new study guide and practice exams are now available for your purchase and use in preparing yourself to take the exam.  

If you are interested in sharing this WELL AP Exam Study Guide within your... Read more

Within the confines of the BuildingGreen safe space, I wanted to share the Forced Labor in the Building Material Supply Chain Mitigation Framework I shared at the 3/1 First Friday Fika. The intent is for this document to become public, but we are working through some permissions and final editing logistics. The project was collaborative... 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

Hello Green Gurus!

The Climate Smart Wood Working Group would like to give a boost to this Ecotrust initiative to support the market proliferation of mass timber with science that attributes carbon impacts to wood building products. As many of you are aware, a couple years ago, the University of Washington partnered with Ecotrust to... Read more

Hello All, I've a quick question. I am looking for a few potential subject expert speakers on the topic of the Circular Economy. Any suggestions out there? 

All thoughts are appreciated.

Rand Ekman

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

An induction range capable of replacing a standard gas range offers the potential of significantly reducing the energy required for ventilation in a commercial kitchen and improves IAQ at home.

We look for commercial-scale as well as residential induction cooktops and ranges designed to reduce indoor... Read more