Was anyone else surprised to see ASHRAE 228-2023 using eGRID Subregions for both the Regional Electricity Source Energy Conversion Factor and Regional Electricity Greenhouse Gas Emission Factors? In the past I have used eGRID sub-regions but also State and local utility conversion factors depending on what energy or operational carbon story I... Read more

Sheathing should be designed for durability, but some sheathing materials can be toxic or may contribute to moisture issues inside the building envelope.

BuildingGreen-Approved Sheathing

Sheathing approved by BuildingGreen contains recycled content, rapidly renewable materials, or otherwise provides exceptional performance, such... Read more

Hi Sustainable MEP Leaders!

As we discussed at the Summit, we are going to have monthly calls to check in and advance our various initiatives. Let's go with the 2nd Tuesday of the Month.

Please join if you can--we have a lot to follow up on! (See the report I posted earlier this week for details.)

Thanks, and have a great... Read more

Hi folks,

A press release about this just showed up--most of what they're including in their "Clean Construction Declaration" involves reducing embodied carbon in materials, but they're also calling out construction equipment:

"Procure and, when possible, use only zero emission construction machinery from 2025 and require zero... Read more

Welcome to the quiz portion of The Chemicals on Our Carpets and Textiles.

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


1. Understand when and where certain treatments may be superfluous or even pose unnecessary risks.
2. Recognize which applications might necessitate certain... Read more

As BuildingGreen’s Content & Data Wrangler, Fran is a spreadsheet and content-management wiz who:

Fran also compiles data submissions... Read more

https://www.linkedin.com/company/buildinggreen/jobs/

Dear all,

A mechanical engineer on a healthcare project we are working on has asked for help in dividing the ventilation calculations between ASHRAE Standards 170 and 62.1; can anyone here help shed some light on it?

"This is the first time I am working on LEED for a hospital and I am not sure how the template wants me to show... Read more

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

The headlines are everywhere—from heat waves in Europe to wildfires in the Western U.S. to tropical cyclone flooding in Australia. In this age of climate change, just as there’s an urgent need to reduce carbon emissions and other greenhouse gasses, we also need to adapt and invest in resilience.

Increasingly, owners are asking for risk... Read more

Short notice – apologies in advance.

Please review the new Guide following the instructions on the first page of the attached draft and using the attached spreadsheet. Comments will be accepted until February 16th at noon EST

Use the Excel spreadsheet to compile your comments if you have any, and return them to me by Feb 15th COB... Read more

Is everyone else having trouble with a dysfunctionally slow LEED-Online today (i.e., worse than the usual incredibly slow performance)?

Mark your calendars Sustainable MEP Leaders!!
Here are the details to save the date for the 2020 MEP Summit:

Date: June 9th and 10th, 2020
Location: Stantec Office in Denver, CO
Schedule Outline: Tues. 9th beginning with Lunch at Noon, ending Wed. about 3pm

Gather and learn from your peers! Share your challenges... Read more

I am excited to share with you the final draft of the letter back to LP50 manufacturers.  The LP50 manufacturers sent their “Closing the Loop on Product Transparency” to design firms earlier this year.  For more background information, please check out Chris Hellstern's original August 20th post on this Green Gurus forum.  When we posted the... Read more

Fellow Sages,

I was at an interesting lecture last night. Phil Bernstein (formerly of Autodesk, now at Yale) was speaking (in Lawrence, Kansas, at the U of Kansas) about AI and design/AEC ... you may know that he authored the 2022 book, Machine Learning, about AI and the AEC field. 

Phil has a very interesting posture about AI... Read more

SmithGroup is hosting Metropolis Magazine for a “Think Tank Event on Waterfront Redevelopment and Urban Resilience”.   While the event is in our office, if you're not in DC, it will also be broadcast live on Facebook Live (https://www.facebook.com/events/1299577320146259/) Feel free to share this invitation with others.  Information about the... Read more

Does anyone know about temporary flushout equipment that could be used to augment a building's systems to get additional CFM of OA during construction?  For our non-laboratory type projects the flushout period ends up being too long, especially in either humid summers or frigid winters (Pennsylvania).

Hoping that some of you on either... Read more