We have an MEP engineer that is calculating peak loads at about 6 times passive house levels on a large commercial building that is at or near passive house levels of insulation and air infiltration. We suspect one reason is that he is figuring a 50% efficiency level for the ERV. We are showing him ERV systems with 80-90% efficiency, but they... Read more

Can furniture be hazardous? You bet it can…

From flame retardants in foam cushions to unnecessary stain and dirt repellents on upholstery materials, everyday... Read more

If anyone else has gotten confused going between parts-per-million and percentages (parts per hundred!) for material reporting here's a little infographic that might help. Feel free to use or improve! 

Welcome to the quiz portion of Five Reasons to Be Optimistic About Solar Energy!

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


Describe three ways how PV decreases environmental impact while increasing sustainability and health measures for communities.

Discuss PV life-cycle... Read more

High-performance buildings integrate site-responsive orientation, climate-responsive form, hefty R-values, efficient mechanical systems, healthy... Read more

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

It is with the greatest pleasure that I announce to this esteemed group the recognition of our very own and much-loved leader Nadav Malin as an Honorary AIA member. AIA COTE had the honor to serve as Nadav's sponsor and we are pleased and delighted with this outcome (but not surprised of course.) For the record, "The AIA recognizes the notable... Read more

On a large sports project, we worked with the structural engineer to spec low carbon / high SCM concrete mixes. Much of the floor area will be sealed and polished concrete, and a concrete sub is pushing back on the SCMs saying they should not be above 20% (with a preference for 0%) for the polish to finish properly, per the manufacturer. Anyone... Read more

Hi folks,

I know the last thing we all need is another assignment, but I took a look at this survey and it really should be pretty quick. And we've been talking a lot about how we can be better advocates for the things we care about...maybe this is a chance to do that? 

From an email request: 

I am writing on behalf of an... Read more

Asking for a colleague:

"Have you ever had a large number of fire retardant tarps used to temporarily enclose a building during construction? Do you know of any solutions for recycling/reusing them or another product that doesn't use toxic fire-retardants that meets the performance criteria?"

I think we've all seen poly or fabric... Read more

Hi everyone! I'm extremely pleased to be back in this group after a couple of years out and I'll spare no time in spamming your inboxes. 

MASS is working with UT Austin to help them evaluate their campus buildings for reuse firstly and then deconstruction and material reuse. Their campus, as with most campuses, is constantly being built... Read more

The position for my replacement has been posted. Please share within your networks. Thanks!

http://www.fxcollaborative.com/profile/9/careers/

Dear Colleagues:

If you are short on time, here is the executive summary:

Time to make healthy trouble and sign a petition today to the WHO to urge them to recommend the implementation of best practice healthy air guidelines in light of the recent studies showing a direct link between the spread of COVID-19 through aerosol... Read more

I'm sure most (if not everyone) is aware that LEEDv5 is under public review until May 20, 2024. I know I need to make time to flip through it, review, and comment, but I'm having a heckuva time protecting the time in my calendar to do that. Anyone interested in joining me for a 60 - 90 minute meeting to do this together as an accountability... 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.

Hi Everyone!  About ten days ago, Megan Zack posted a note announcing her new role as Chief Sustainability Officer at Wight & Company. (Yay!)  I'm so delighted that she will be stepping into this leadership role at Wight to shepard the firm in the next chapter of their journey in sustainability. 

I wanted to take a moment to say... Read more