Hi All,

I'm teaching a class this semester at CU Boulder on Zero Carbon Buildings and Cities (a new class that I'm making up as I go). The hardest part, I'm finding, is locating some good materials that cover the basics of energy efficiency for non-building engineers or designers (we are energy and sustainability generalists in this... Read more

Hi all - I am in need of specification language for wood sourced from tribally owned and managed forests. Does anybody have examples they would be willing to share? I would be so greateful! thank you

Hey there hive mind,

We went looking through LEEDuser to try and find some direction and didn't find much so I thought I'd bring my team's question here to all of you smart people. We're working on a non-combustion central plant tied to a geothermal field and grid electricity. The project has cooling towers and their associated chemical... Read more

Welcome to the quiz portion of Are Cool Roofs Green? The Answer's Not Black and White

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


1. Explain why roofing choices are complicated by heating tradeoffs, climate effects, and condensation and how cool roofs are intended to reduce... Read more

I'm putting together information on natural gas bans (or put another way, all electric buildings) for an advocacy effort and looking for some experts. Anyone have thoughts on banning natural gas and other fossil fuels on residential projects? Specifically what are the considerations/challenges/opportunities at each scale (single family, low... Read more

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

Excess heat generated by air conditioners, refrigerators, boilers, and water flowing through pipes typically goes unused.

BuildingGreen-Approved Water Heat Exchangers

BuildingGreen lists desuperheating technologies and... Read more

I read a very misleading article on the AIA's website today regarding antimicrobials and the benefit of microbicidals in paint. It was written by a manufacturer, not a healthcare professional, and was not obviously labeled as sponsored content on the website. (I received the link in an email, which did label it as such).

https://www.aia.... Read more

As the Communications Associate, Petra works closely with both the marketing and editorial teams at BuildingGreen. Whether it is creating posts on Instagram, analyzing metrics, editing feature articles or writing news briefs.

Petra has a background in journalism, digital marketing and social media. She has a BA in journalism and media... Read more

Embodied carbon in products and existing buildings. What does LCA tell us about renovation vs. new construction and material choices?

Guiding Questions: 

Hello Green Gurus,

Happy 2023! Our First Friday Fika* is today - Friday, January 6th at 11am ET (8am PT), we'll meet on Zoom for some lightly structured coffee-chat time. This includes both facilitated sharing and open conversation about the topics you're interested in at the moment. Any Peer Network member who wants to say hi and chat... Read more

Hi all! I'm very excited to report that we have interest from a developer client in tracking embodied carbon through construction. We have issued construction documents and the construction managment team is begining the process to establish the GMP.

We're looking to use EC3, and/ or ZGF's LCA analysis tool for concrete to look at how we... Read more

Hi all,

Here's a good follow up to Maria's steel question on Monday.  We have a Midwest project that unfortunately (from a carbon perspective) is required to use a traditional, thick precast facade.  We’re working with the contractor and potential future (not yet bid out) fabricators to determine an appropriate % of pozzolanic material... Read more

Has anyone here had success in comparing life cycle impacts for different window system options? We have been trying to compare different options but have only been able to source one expired EPD for an actual window (frame + glazing). Is the typical approach to separately compare glass and framing options? Are we missing something or is there... Read more

It’s Earth Day! In celebration, we’re offering full Premium subscriber access to BuildingGreen content, news, and product guides for all Peer Network members for the next six months. 

We’re sharing this unbiased, rigorous content with you through the coming summer and fall, with access to our: 

Premium content, guides, and... Read more

The Getting to Zero Forum is happening next week in Minneapolis, Minnesota (my home state!). Anyone else from this group planning to attend in person? I'm especially curious as the Forum comes so quickly on the heals of the Living Future Conference.

As a proud Minnesotan, I have a hard time imagining how anyone could ignore an... Read more