The LBC v4.0 materials imperatives for Responsible Materials (Core) & Responsible Sourcing require a majority of wood materials (by cost) to be FSC. Sure. But what is - or isn't - considered wood? The Clarification page for the imperative's scope and a key definition poses a perplexing conundrum: 

"All wood included in the Materials... Read more

Are you or companies considering joining RE100? http://there100.org/going-100

"Companies joining RE100 make a global, public commitment to 100% renewable electricity.

To achieve this goal, they must match 100% of the electricity used across their global operations with electricity produced from renewable sources – biomass (... Read more

Hi: SD Leaders.  It was so nice to see so many of you at Greenbuild in Chicago. By now I'm sure all have seen the announcement of the release of the Fourth National Climate Assessment Report vol 2. (https://nca2018.globalchange.gov/) It's well worth a deep read - so much important and extremely informative material. I want to draw your... Read more

Hello friends, Posting this to help out a friend that you all know!

(please reply directly to Kira at her email below) Tx

Dear Gurus, 

I am curating/hosting a panel at CarbonPositive RESET:

DESIGNED FOR CLIMATE: A New Construction Showcase

North & South America: September 8, 2020 | 4:45-5:25pm (PST)

Hi! Over the last 10 years, the firm where I work in Boston has predominately designed housing & senior living projects in the the Boston Metro region, with the occassional project in NH, CT, RI, and NY. We have built projects as far south at DC, but never designed anything to my knowledge in California in our 55 years of operation. A... Read more

Hi all,

We recently learned that Mass Dept of Environmental Protection (MassDEP) along with a few other state agencies are looking to offer grants for wastewater heat recovery implemented into projects. This is a newer technology that puts a heat exchanger or heat pump in the wastewater system that then extracts the heat energy and... Read more

This question came to me via our mutual friend Josh Jacobs, but while interesting it's a bit out of my range of expertise... 

In short, a critical materials assessment specifically focused on airbourne byproducts from a manufacturing process that would be first-of-its-kind in the U.S. 

Welcome to the quiz portion of Better Choices in Low-Slope Roofing.

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


1. Explain life-cycle impacts, health and environmental hazards, and durability of low-slope roofing options.
2. Classify situations for which reflective roofing... Read more

Choose a photovoltaic (PV) system to fit your energy needs, budget, and the space you have for installing the modules.

BuildingGreen-Approved PV

BuildingGreen approves PV modules that have high warranted minimum power ratings and high PTC (PVUsa test conditions).

Building-integrated PV (BIPV) products approved by... Read more

Hey Gurus:

I have a client who is interested in reporting to their superiors on the status on energy codes in different states across the US. They are hoping to find some kind of summary that might show relative costs for HVAC systems under the various energy codes in effect across states. They are also interested in data that is... Read more

Does anyone have any research studies they could share on the effect of construction/renovation noise and activity on employee productivity?  I'm trying to make a case for the measurable negative impacts of having ongoing renovation construction activity in an office environment.  Thanks!

Welcome to the quiz portion of "Spec This, Not That: Avoiding Toxic Chemicals in Commercial Building Projects"!

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


What better way to follow up the magic of a live presentation from Peter Yost than with 30 free days of BuildingGreen Premium?

Both Z Smith and Lois Vitt Sale have been notified that they have been elected to the College of Fellows of the AIA, class of 2018.

Please join me in congratulating Z and Lois, and post here if you know of others who can now carry the FAIA label.

Well done guys!

Good morning. If you're worried  like I am by today's new IPCC Report and would like some helpful explanation I recommend reading climate scientist Zeke Hausfather's lengthy Twitter feed summarizing key aspects with graphics. It's here https://twitter.com/hausfath/status/1424642708291821569?s=21

of course we need to see this as an even... Read more

Register now for the next two quarterly SCL calls, brought to you by members of the Steering Committee! These calls are just for SCL members, topical for construction leaders, and hold space for us to learn directly from each other. See you there!

Everything You Wanted to Know About EVs, but Were Afraid to Ask

Monday, March 7th at... Read more

I am now embarking on the home page design, but before I get started I need input on what you'd like to have there. The style tiles/tidbits provided by Southface includes a home page mockup that's very similar to LEEDuser, which is fine with me, but I don't want to implement it and then find out you want something radically different.

I... Read more

We have started a folder on Equity, Diversity, and Inclusion in this forum. When you upload a file to share (which you can ONLY do in the web browser, not directly through email), you get an option to choose a folder. If you have an EDI-related document to share, choose "Equity, Diversity, and Inclusion" as your folder. I'm saving the first... Read more