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

Hello everyone,

For those I have yet to meet, I'm Jen, the latest member of BuildingGreen's Peer Networks team.

Although it's been a few weeks now, we wanted to share the slide decks from some of the presentations that took place in Las Vegas back in June. Thank you to those of you who presented and who have given us permission... Read more

Hello all,

We are having a mini office debate on fiberglass vs aluminum windows for use in schools (k-12) in Massachusetts. In the past we have always used aluminum windows on our schools, for durability. However, their performance is not as great as other products that are up and coming on the market. There is some hesitation to switch... Read more

You know all those times when you want to reply privately to someone, but don't have their email address handy? What a pain, right? 

Not anymore! Now you can go to the "Group Members" tab on the BuildingGreen Communities forum page, and hover over anyone's name to see their email address. 

Only members of the forum can see your... Read more

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

Welcome to the quiz portion of New Concepts in LEED v4.

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


1. Recognize the ways in which the Integrative Process credit requires teams to analyze opportunities early in design.
2. Describe how the new Location and Transportation... Read more

Hi SDL Group - 

Our firm has been presented with a potential opportunity to share with USGBC National Representatives details about a few of our voiced concerns in the context of specific project administration efforts.

For us, these relate to two specific factors:

Will you be at Greenbuild in Chicago? Stop by BuildingGreen/LEEDuser booth #1522 for informal conversations with guest experts and BuildingGreen editors. You are encouraged to RSVP and add the meet-ups to your calendar, but not registration is not required.

WEDNESDAY NOV. 14

10:45 AM - 11:15 AM
Dan Winter, Neil... Read more

Hi everyone,

As you may know the ICC has changed the way the IECC will be written in the future and most of us think that will reduce the stringency of the future energy codes that are the biggest lever in the fight against climate change within the buildings sector.

So one of the best pathways forward is via ASHRAE, which has a... Read more

Does adding solar panels reduce a building's EUI?

Existing operational use of a building is 80 kBtu/sf/year. When we add solar, it will change the source of energy but does not change the usage.

My understanding is that the EUI does not change, but it would be good to hear from others.

It's energy consumption at the point... Read more

I am looking for case studies/trying to identify buildings using concrete mixes with upwards of 30% replacement of cement by SCMs.  I've been in conversations with some structural engineers who are interested in lowering embodied carbon in upcoming projects, but would like to see examples of where this level of replacement has been successfully... Read more

Though BuildingGreen has long supported the use of electric hand dryers as a more environmentally friendly hand drying option, the majority of evidence appears to support paper towels as a preferred method of controlling the spread of potential pathogens. 

And even the most efficient hand dryers contribute significant CO2 to the... Read more

Notes and Guiding questions here--please add your own!

2030 Commitment Check-In: Is it leading to more awareness and better outcomes on projects?

Is energy modeling and tracking going to get us to zero by 2030?

Is it effective at driving all projects across a portfolio?

What are firms getting out of reporting... Read more

Hi Everyone,

Who has worked on a SITES certification and can share the approximate hours involved for administering and completing documentation? A relative sense of the effort compared to LEED would also be helpful, similar to the thread about WELL on this same subject. 

Appreciate any insight. Thanks! -Hilary

Hello SDL Leaders,

Over the past month, I have been working with ILFI to navigate the question of residuals in LBC compliant products vs. products reporting for a Declare label.

Through our conversations, it came to light that ILFI considers the LBC Red List threshold to be 10,000 ppm, rather than the 100 ppm written into the... Read more