This just in from Berkeley Earth. The definitive report on 2023 global temperatures. Lots of incredible graphs to peruse but the news is pretty incredible. Actual temperatures far surpassed predictions. "At the start of 2023, we foresaw only a 14% chance that 2023 would become a record warm year, and only a ~1% chance that 2023 would reach 1.5... Read more

Tamela Olp Jun

OSB subflooring typically contains formaldehyde, and wood may not be sustainably sourced.

BuildingGreen-Approved Subflooring

Products approved by BuildingGreen contain no added formaldehyde or are available with FSC-certified content.

Magnesium oxide panels, which are particularly insect and moisture resistant, are also... Read more

hi all! I'm almost at the finish line with this year's 2030 reporting...whew. I'm running into an issue that I wanted to throw out to this group, regarding the zero tool and national average baselines. Hoping some of y'all who manage your firm's 2030 data, or are just more familiar with CBECS and related data, have some insight / experience to... Read more

Does anyone have a Passive House detailing resource recommendation? Something that is applicable to wood over podium and/or metal framing construction? I have the book below but looking for something more applicable.

Passive House Details: Solutions for High-Performance Design 1st Edition

by Donald B. Corner (Author), Jan C.... Read more

Has anyone completed an LCA for an engineering structures lab, particularly one that has a strong wall and strong floor? 

Hi All, 

The rural concrete supplier that is used for most of our projects sources their fly ash from a nearby coal burning plant that is scheduled to be closed in the next two years. In anticipation of this, they are looking into alternative fly ash sources and SCM options and we'd like to provide suggestions.

Does anyone have... Read more

Hi folks,

I hope you've seen the plug to sign onto the letter that's generated a flurry of messages on Green Gurus--I also emailed it out directly to everyone. We've got lots of architects on board, and a handful of engineers, but I think we just have one contractor so far (Thanks Theresa!)--it would be really awesome to have more.

Welcome to the quiz portion of Energy Reporting: It's the Law.

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


1.List the benefits of energy performance benchmarking and disclosure.
2. Address the concerns associated with public disclosure.
3. Restate at least three U.S.... Read more

Are there any metrics for % increase for building PH vs conventional?  These questions are always really hard- especially when there are none to compare to in area.

Hi All, this is primarily directed at our Sustainable MEP folks, but please anyone with insight feel free to weigh in.

I am increasingly seeing designs and specifications asking for Passive House levels of airtightness as verified by blower door testing, but with traditional ventilation system designs. 

To me, Passive House US has... Read more

As part of the Philadelphia AIA COTE, we have been proposing implementing sustainability in some fashion into the design awards with our chapter's design committee.  I know that many of you have been down this road before, and wanted to get your feedback at a high level about what your local COTE is doing.  Anyone who's interested, can you... Read more

Good daylighting intentions can end up increasing glare and solar heat gain.

BuidlingGreen-Approved Lightshelves

We look for lightshelves designed to reflect direct sunlight onto the ceiling, turning what could potentially be glare into diffuse, ambient daylight that penetrates deep into the interior of a building.

Energy... Read more

Our Peer Networks offer a safe haven to you and other leaders where you can support one another and work together toward sustainable solutions that are intent on moving projects and the industry forward in the best possible ways.... Read more