I can see from the threads that there are at least a few Passive House advocates in this group - I'm wondering about the PHIUS training and certification. Can any who have done it offer an opinion? Is it valuable? Residentially focused? Would it apply to someone in a larger commercial practice? It's an investment of time and $, so I really want... Read more

I am wondering how architectural firms plan to close the gap to zero in the next few years. 

Owner's dictate outcomes and the typical owner is not committed to zero - even when sustainability is a focus of the project. 

We can present solar-ready designs, all electric buildings, geothermal, etc. but there is still quite a gap to... Read more

Welcome to the quiz portion of Passive Solar Heating.

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


1. Explain the three classic approaches to passive solar.
2. Understand the relevance of passive solar today.
3. Describe some key elements of passive solar design.
... Read more

Producing a ton of cement releases approximately a ton of CO2 into the atmosphere, but accessories like finishes and additives can also be major sources of VOCs, soil contamination, and human health risks.

BuildingGreen-Approved Concrete Accessories

BuildingGreen approves the following concrete accessories:

Hi All,

Attached is the DRAFT of our ZNE Data Report.  It is just the beginning. We have a lot more data to gather.  We didn't want to wait for it to be perfect to get it out. Hopefully this gives you all an idea of where we are headed.  Please continue to send us your projects in the Northeast.  I've also attached the excel doc for you... Read more

Hi folks,

On behalf of ILFI, I'm sharing a notice that the early registration deadline for the Living Product Expo in Pittsburgh is tomorrow! This is a great event for anyone interested in a deep dive into materials transparency, hazard avoidance, low-carbon products, overall innovation, and the Living Product Challenge. There will also... Read more

Hi all,

BG WebDev needs to clarify the Forum comment moderation rules you would like us to put in place.  We do not require moderation for premium users in our LEEDuser forum unless they include a link in their submitted topic or comment. In this case, we hold the publication of the comment in moderation until we can make sure the link... Read more

Hi SD Leaders: I'm writing to get your help identifying any experts or projects where all-electric HVAC solutions are being implemented in a large new build healthcare/patient care setting. The client has raised concerns about the reliability of an electric re-heat system and its ability to promptly respond to temperature controls. They also... Read more

Hello SCL! We are excitedly planning for a return to in-person SCL Summits. In the past we've scheduled our Summit for the day before Greenbuild, but that day is Halloween and we understand the importance of spending that time with family. We are exploring a January 2023 option for this Summit instead, and are hoping to return to our usual... Read more

The Sustainable Construction Leaders peer network brings together the most committed sustainability directors from leading construction companies throughout the U.S. and Canada. We invite you to apply for membership.

Hello SCL, I was asked by a friend at ILFI to share this invite specifically to the SCL group to join their Living Future 20 conference which is in a couple weeks and will be all online.  There is also an invite for a construction-only focused ILFI discussion May 14th in the message as well.  Hope everyone is doing alright out there.  Talk soon... Read more

I'm looking for successful examples of net-zero, Living Building, or similar office buildings that are NOT owned by highly-motivated organizations like RMI or the Bullitt Foundation (or one of your firms).

We are looking to team with a developer on a small-mid-size office building that will house our new office with us as a tenant (no... Read more

For more than 30 years, Alex Wilson has been the most trusted voice on energy efficiency and environmentally responsible design and construction. Since launching Environmental Building News (EBN) in 1992, he’s built a reputation, resources, and staff to provide the foundation for BuildingGreen, a consulting and information company... Read more

As you might well remember, one of the Working Groups that came out of the SummitPalooza earlier this year was for MEP Embodied Carbon & Refrigerants.  That Working Group began working with the Carbon Leadership Forum and is now excited to announce the rollout of the MEP 2040 Challenge: “All systems engineers shall advocate for and achieve... Read more