Welcome to the quiz portion of Choosing Insulation: High-Performance Roof Assemblies and Retrofits – Unit 4.

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


1. Explain the industry trajectory of healthier alternatives to foam insulation.
2. Describe the nuances of insulation... Read more

Hi all

I would like to warmly invite all of you to our Lyle Center for Regenerative Studies 25th anniversary events. I think the events are very pertinent to what this group is about and are all free. If you are in the LA area please come! The 11th includes an outdoor reception at the center after the presentations. It’s also an... Read more

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

Constructed wetlands and other natural filtration systems close the nutrient and water loop, permitting safe and sustainable wastewater treatment and reuse right on the site.

We look for... Read more

Hi All -

With the holidays coming up and budgeting for 2023 - do we have any information on when and where a mini summit will be?  I heard rumors of Arizona?  Hoping to come but need the info as soon as I can.

With the current push for improved window performance to meet energy codes and Passive House, room side low-e coatings can significantly improve window U-values. However, back in 2018 Payette did this excellent study that showed that while room side low-e coatings improved window U-value and increased the interior radiant temperature, the... Read more

Cher Hiblthren

In looking for ways to reduce jobsite waste and lower our carbon emissions, I'm working on a business plan for centralized procurement, in lieu of individual project purchasing their own tools, PPE, & consumables.  I'm curious as to how many other GC's on here use (or have used) a central purchasing process and if you have any pros/cons... Read more

Welcome to the quiz portion of Sustainable Sites: Primers from Environmental Building News.

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


1) Describe how invasive plants can harm an ecosystem, and why native plants are generally less work and less expensive.
2) Explain the... Read more

Hi Everyone,

Who has worked on a SITES certification and can share the approximate hours involved for administering and completing documentation? A relative sense of the effort compared to LEED would also be helpful, similar to the thread about WELL on this same subject. 

Appreciate any insight. Thanks! -Hilary

Hello, I'm wondering if anyone out in the network has experience with the following:

>Low carbon concete mixes for polished concrete slabs: we're hearing concerns from our concrete supplier that using a low carbon mix design for a polished concrete slab will cause pitting. What experience do others have?

>Low carbon concrete... Read more

For those of you who have attended the event above, I think you will agree this has been a high quality event.  But DFC is changing the forum this year. Instead of holding an annual event in September, this year they are holding 4 half day events around the country.  Attendance will be limited to 40 people and it is focused on sustainability... Read more

Hello, All, Is anyone familiar with One Click LCA software and resources?  Similarities/differences from a Tally or Athena approach?  Many thanks!

Keeping these meeting invites here on the SDL pages as we hope to continue to offer participation to SDL members.  The invite follows:

Welcome to the Climate Smart Wood Group monthly peer network meeting. For agenda item suggestions and other meeting organization items please contact Patrick Donnelly at pdonnelly@integrusarch.com or... Read more

Hello AEC Sustainability Leaders (aka the Green Gurus)!

As we continue to promote and expand the use of mass timber on our projects, it is becoming increasingly important that we learn more about the spectrum of impacts that this material selection is having on the forests and communities from which we’re sourcing our wood fiber…both... Read more

Wondering if we can have a dialog on HVAC load calculation software... we are currently still using Trane Trace 700, but with the future migration to Trace 3D+ coming are looking into other options. Never used HAP but I haven't heard great things, and we dabbled in IES VE for a while, but went back to Trace since at that time there was no... Read more