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

Guiding Questions: 

Hello All-

  We have a K-12 school project that is using a R-60 flat roof assembly as an energy & costing benchmark (along with other energy efficiency measures but this is the relevant detail to our question).  The project mechanical engineer is not onboard with a number of our energy conservation measures and has been sharing... Read more

As Editorial Director for BuildingGreen, Tristan Roberts brings a deep commitment to environmental stewardship, a broad knowledge about sustainable design, deep understanding of green building products, and a mastery of all things LEED. A longtime contributor of in-depth feature articles in Environmental Building News and regular reporting on... Read more

At the request of the SCL group, here's the SCL Salary Survey! 

There is a link at the end of the SurveyMonkey Survey to a Google form where you will be able to register that you completed the survey—that way we’ll know who participated without having any identifying info in the actual survey. Results will be shared with those who... Read more

Hello SCL, 

For those who missed our last call, I am posting the results from the 2023 Contractor's Commitment reporting cycle. Reporting at some of the higher tiers requires sharing case studies or information with SCL or the public. All the information that can be shared publicly (or that I received express permission to share) is now... Read more

Hi All,

Structure Tone just released their annual Sustainability, Resiliency, and Wellness Report.

Download a copy here.  https://structuretone.com/sustainability/

I’m curious what people think.

Curious what people's 'best' experiences or recommendations are for load calculations and energy modeling regarding electrochromic glazing... hoping I can lean on others as it's just now becoming more of a talking point in our market here in Omaha. 

Specific questions including whether load and energy modeling software are separate (... Read more

Our guys have started talking about how the built enviroment can address infection transmission in public spaces - places like lobbies and waiting rooms, particularly in applications where people queue - theaters, airport gates, amusment parks, etc.  In the specific case of Covid-19, we know the microbe can be transmitted three ways:  fomite (... Read more

Hello Green Gurus,

Here is the information for this month's Peer Networks Webinar, Adapting the Construction Process for Passive House. We hope you will join us!

Register HERE.

Adapting the Construction Process for Passive House
Wednesday, April 28th, 2021
2pm - 3pm ET (11am - 12pm PT)

Description
... Read more

I'm pleased to announce that the AIA Board of Directors has unanimously adopted the A&D Materials Pledge as the AIA Materials Pledge!!!!! The support of so many of you was a key factor in making it so easy for the AIA Board to adopt The Pledge. The Materials Pledge now has 90 signatory firms, including many of yours. Thank you all.  Now,... Read more

Welcome to the quiz portion of How to Succeed with the Living Building Challenge: 12 Teams Share Tips.

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


1. Prepare for LBC imperatives.
2. Structure an LBC process around absolute goals, with proactive leadership and follow-through... Read more

Hi Fellow SDLers: I'm sure you're like me and thrilled at the news of the Senate's passage of the historic climate bill yesterday. And also are likely on pins and needles until it's passed the House and signed into law. What a conclusion of a terrible roller-coaster ride that is our Congressional system.

I'm writing to pass along a... Read more

Untreated rainwater leaving a developed site is effectively a chemical spill, laden with pollutants that include oil, sediment, heavy metals, nitrogen, and phosphorous. The heat carried by stormwater is also harmful to fish and other aquatic organisms.

BuildingGreen-Approved Systems

We approve systems that:

Hi All - 

Has anyone explored hydronic system analysis software (1D CFD)? 

Some options are PipeFlo, AFT Fathom, PipeFlow (eerily similar name to first option), COMSOL Pipe Flow Module. 

Applications could range from general system troubleshooting, pump sizing, to district hydronic system network analysis. 

Best,... Read more

This page contains our full User Agreement.

This Agreement sets forth the terms and conditions for your use of all webpages under both the BuildingGreen and LEEDuser names and domains, published by BuildingGreen, Inc. (collectively, the “Site”), including The BuildingGreen Report (formerly Environmental Building News) and BuildingGreen... Read more

Welcome to the quiz portion of LEED and WELL Product Labels: A Guide and Analysis!

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


Recognize product-related programs for LEED v4 BD+C, LEED v4.1 BD+C, WELL v1, and WELL v2 that contribute to the sustainability of projects and the health and... Read more

Hi SD Leaders, my firm wants to make a case for conducting LCAs on all major projects. I'm curious what your experience is - how long does it take to conduct an LCA (for the analyst's effort and other project team members who attend meetings about the LCA and use its results), and the type of LCA software you're using. 

I feel sure you'... Read more

I'm sure may are familiar with Aqua in Chicago, and Joe Lstiburek's article on thermal bridging. (https://buildingscience.com/documents/insights/bsi062-thermal-bridges-redux) We have similar problem with a project that is a residential highrise building, concrete structure. Here is my questions. Will energy simulation be able to pick up the... Read more