Team,

See this paper regarding outside air vs. filtration.

https://www.sciencedirect.com/science/article/pii/S0360132313002515

MERV-13 is a good way to get most benefits without a huge cost.

Best,
Luke Leung

Welcome to the quiz portion of How to Spot Greenwash--A BuildingGreen Webinar.

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


1. Understand the characteristics of quality standards and certifications to help screen out greenwash.
2. Recognize strengths and weaknesses of... Read more

Hi folks,

We have a really great webinar set up for Thursday, Oct 25 at 2pm eastern. This one is based on the 5-minute presentation from Heather DeGrella at the Summer Summit--our jaws were on the floor when she presented it there, and we were hungry for more.

Sign up here: https://zoom.us/webinar/register/... Read more

This question came to me via our mutual friend Josh Jacobs, but while interesting it's a bit out of my range of expertise... 

In short, a critical materials assessment specifically focused on airbourne byproducts from a manufacturing process that would be first-of-its-kind in the U.S. 

Something we seem to be seeing a lot in our market recently are projects split into multiple packages - footing / foundation, C&S, and then later a TI package of CD's... mostly in an effort to speed up permitting and construction schedules. (Oftentimes with a contractor on board for a design / build approach). 

My question to the... Read more

He just posted the following on the Building Performance Knowledge Community forum:

Does anyone have a recommendation for software that is easy to use and relatively inexpensive for doing energy performance analysis at the schematic design (or before) phase?  We are looking for a tool that gives good quantitative comparisons for... Read more

Hello Sustainable Community Design Leaders!

Let’s take a moment, introduce ourselves, and get to know each other and our work! Don’t forget to fill out your BG.com profile with your headshot and bio; this is how everyone across Green Gurus can see you in the Member Directory. 

I’ll kick us off! I'm RoseAnn, I also go by Rose, Peer... Read more

Well done and rivhly deserved, brother.  That makes you a Fellow Squared.

Our firm is looking into our hiring process with JEDI objectives and looking for examples that have been successful. Just like any other firms, we utilize career fair opportunities from local Universities, we have scholarship & endowment programs for several institutions, which became a major pipeline. We are working on evaluating all... Read more

Rotary Uninterruptible Power Units

Power interruptions and brief changes in voltage can damage electrical equipment, compromise computer data, shut down manufacturing, and endanger hospital patients. In the case of power outages, generators usually take over, but about 98% of all interruptions last less than ten seconds, and there is a... Read more

Hi- Happy Monday!  

Does anyone know if there is an open-source list of manufacturers that have take-back programs? Looking for a summary/spreadsheet with details (costs, qty, etc). I have a small list but I'm guessing there is already one out there...

Also, Doesn't stage D in LCA account for take-back programs? Could this be... Read more

All - 

We have corporate clients that are starting to request antimicrobials in response to Covid-19. I assume we are not the only ones seeing an increase in these requests. Knowing that the evidence supporting antimicrobials has limited to no efficacy, how are you approaching these conversations? We want to continue to advise based on... Read more

Would anyone have an example LEED Homes v4 specification they would be willing to share?  We are working on our first LEED Homes project, a midrise low income housing development here in Houston.  We have a LEED Homes provider, but she will not provide the specifications, which seem to be quite different in requirements and submittals from our... Read more

Welcome to the quiz portion of the Wood, Forests, and Embodied Carbon Webinar!

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

1. Explain the complex relationship between forests and carbon, with an emphasis on how carbon releases from forestry affect the sustainability of buildings that... Read more

Welcome to the quiz portion of A Guide to Selecting Sustainable Textiles.

Learning Objectives

Upon completing this course, participants will be able to:


Jill is a mission-driven leader who loves working with people, solving problems, and strengthening the infrastructure of values-driven organizations that are committed to having a positive impact in the world. 

She brings decades of experience analyzing and understanding the value of operational efficiency across a variety of... Read more

Dear Gurus,

At Greenbuild this year I'll be discussing how statistics can lie (in the context of green building claims).  I'm collecting examples of this to prepare.  If any of you know of examples, please send them to me! 

Here are a few of the fun ways statistics might lie that I would be looking for: biased or too-small sample... Read more