I was recently asked about potentially specifying concrete with wood nanoparticles and concrete with biochar as a way to further lower the embodied carbon and to increase concrete strength.  These approaches are something I know nothing about, and wondering if anyone in this group has any experience and/or observations that might be relevant to... 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

Hi all,

We have an institutional client who has tired of LEED and is instead putting forth EarthCraft Light Commerical as a replacement certification (they like the performance verification & lower cost that ECLC provides).  Has anyone used ECLC? It seemed an odd choice but wanted to hear from others on their experiences. The... Read more

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

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

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

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

Remember 2013? LEED version 4 had just been released to the public. Hardly anyone was using it, though—not only because they didn’t have to, but also because there just wasn’t a pathway to achieve many of the new credits in the rating systems. Especially the product-related credits in the Materials & Resources category, along with the Low-... Read more

Hey there, Tally users.  I'm looking for some answers to a few basic questions about using Tally:

What better way to follow up the magic of a live presentation from Peter Yost than with 15 free days of BuildingGreen Premium?

Hi Leaders,

If your experience was anything like mine, it was a stressful night. I'm feeling a hunger for talking with smart, passionate people about what this all means.

I'm not interested in making this into a political forum--we can all get plenty of that elsewhere. But if you'd like to hang out and just process how you're... Read more

Welcome to the quiz portion of Is Wood Construction Green? A Look at the Issues.

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


1.  Determine what distinguishes wood products sourced from Forest Stewardship Council-certified forests, and why these products improve the environmental impact of... Read more

Hi all, we are embarking on an effort to standardize our LCA process in order to maintain a firmwide database of embodied carbon intensity from which we can create internal baselines and targets. I was wondering how other offices are setting boundaries for their LCA efforts. Below is our starting point. Most LCA will be conducted using Tally.... Read more

Hi: I'm writing to share a unique opportunity to make a difference at SCALE as a Sustainability Manager at Amazon Global Services.

This comes from Lisa Matthiessen, FAIA, LEED Fellow who some of you may know. Lisa just joined Amazon's Worldwide Sustainability Team who is charged with making real their Net Zero for all operations by 2040... Read more

Thank you for joining us for this webcast! Please complete the following survey to provide us with feedback and to record the information we need to report your CEUs.

By providing the information in this survey you will enable us to automatically report these CEUs to the appropriate organizations. Everyone attending and seeking CEUs must... 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

Hi all!

I'm working on my first energy positive / passive house multifamily building and trying to figure out the trash/recycling chute. I am curious what solutions you have employed to make the trash chute air tight? We have excluded the whole chute from the envelope. Do you use airtight doors (and which ones?) at each floor trash/... Read more