Check out Fast Company's new list of innovative architecture firms with Perkins + Will and NBBJ at the top with great sustainability tag lines. 

That's a great demonstration of the mainstream importance of sustainability!

Congrats to all.

Here's the link: https://www.fastcompany.com/most-innovative-companies/2018/sectors/... Read more

Welcome to the Sages forum! Some of us have been hanging out together for ages, but others might be new to this group (if not to sustainable design/construction). So let’s start by introducing ourselves, with some highlights from our career and history with the Peer Networks, and why we’ve now joined this one.

My career history is pretty... Read more

Hello SDL Folks,  with the 2023 Water Conservation Showcase (WCS) less than a month away we're really looking for help spreading the word.  We've got a great lineup (www.waterconservationshowcase.com) and would love any direct emails to your contact lists that you'd be willing to send!  Here is a link to the promotional partner toolkit with any... Read more

Can anyone point me to a (dream?) resource listing effective R-values of various wall assemblies?  We are trying to find a cost-effective R-40 wall assembly for a one and two story public middle school targeting net zero energy in Oregon.  Referencing Seonhee's "thermal bridging" thread in late April, I used Therm's native drawing feature, but... Read more

Calling all Sustainable Design Leaders - Coming up on March 1st, we’re hosting a virtual SDL check-in. We’ll have a round of five-minute presentations as well as a refresh of the SDL Steering Group.

Quick point of clarification: For those who’ve been around for a while, you may remember this group as the “SDL Regional Leaders”. As we’ve... Read more

Composite windows come in two basic types: fiberglass, and wood/plastic composite.

BuildingGreen-Approved Windows

Fiberglass and other composite window lines have NFRC unit U-factors of 0.20 or lower. Higher U-factors are allowed for products that include significant recycled content.

Manufacturers also must demonstrate... Read more

Welcome to the quiz portion of Certified Wood Update: Comparing SFI to FSC on Key Forestry and Health Issues.

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


1. Explain the purpose of forest management standards and what they measure.
2. Differentiate between FSC and SFI... Read more

Hi All: I'm writing to see if I can get some recommendations/links to some great, free web tours of sustainable projects for use in an intro to sustainability class I'm teaching online this fall. Typically we tour some local buildings but that isn't an option this year. I'm hoping to find a few different ones for students to choose from. They... Read more

Hi Gurus,

As some of you may remember, my spouse, Moshe Cohen did a short negotiation mini-training at SDL some years ago - but there's many of you who weren't there - so this is for you!

He will be doing a training in two parts on Nov 17 and 24th from 9-12 EST. He's the BEST (even objectively!!) and honestly, if you want to... Read more

I think it now qualifies as a tradition! We've arranged a room where we can gather for an hour and check in during the Thursday afternoon reception time at Living Future. If you'll be there, come join us!

Thursday, May 2 at 5:30, Skykomish Room (#604, 6th floor)

We'll be mostly Sustainable Design Leaders, as that's by far our... Read more

Is anyone planning on attending the WELL Conference in Scottsdale in March?  I'm trying to figure out if it's worth attending or not?

Hi all - many of you have been involved in our project to crowdsource the best building performance graphics and make them searchable and freely available. After redesigning the website for functionality and bi-monthly (instead of annual) competitions, we are launching our first of these Challenges: Daylight + Glare. Upload a graphic or three,... Read more