Received answers from below questions from NIST Andy Persily

1. Is there a preferred bookends range of CO2 for both “optimal” energy and human performances?

Andy: No

2.Is the ASHRAE ventilation of 1000-1200 ppm average, probably not based on performance, suggesting current ventilation rate is sub-optimal with cognitive... Read more

Everyone agreed during last Friday's meeting that we want to call the site BITuser. The question, however, is what domain name should be used.

Whatever domain name is chosen, it will redirect to the actual site URL -- https://bituser.buildinggreen.com (similar to how LEEDuser.com redirects to https://leeduser.buildinggreen.com).

... Read more

I wanted to let you all know about this Built Environment Plus Roundtable coming up on Thursday afternoon 3:00 est. We will be having a discussion around the IRA and how to implement the incentives on projects and help our clients understnad what it means for them. This is an informal setting where people can ask questions or share experiences... Read more

Hi Gurus,

It seems odd to think about leases now, during a time when most business are giving up leases or reducing their footprints, but there are still leases going on! Please share this link to any clients of yours who might be interested and sign up yourself if you want to advocate to your clients to consider these leases!

... Read more

We have all these resources out here in the ether but it’s so hard to pull them into one spot! I was asked, last minute to join a client call today to help convince both the client (affordable housing developer) and the mechanical engineers to "stick with" a commitment to 100% electric design that was publicly stated when the competition was... Read more

Hello, Green Gurus!
It was lovely to see some familiar faces (and names) in this afternoon's webinar about Low Carbon Specs. A little personal info, but I have just recently returned from maternity leave, and plugging back in to this network of passionate sustainability professionals is one of the things that actually made me look forward... Read more

Hi everyone,

Thanks so much to those of you who presented at this years AIA Show & Tell, and thanks again to ZGF for hosting! Here are the slides for some of the presentations. Please do not share the slides outside of the networks unless they are marked "PUBLIC." Hope you enjoy!

Welcome to the quiz portion of The Great Eight: High-Impact Material Choices for Green Building.

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


1. Specify green building materials in product categories that truly make a difference for human health, the environment, or both.
2. Conduct a... Read more

Hi everyone,

It was so wonderful to meet some of you last month and experience the whirlwind of a summit! I hope you've enjoyed looking over the Summit Report and the flip chart notes, and they've helped bring some order to the vast amount of material we covered. Here's one more piece for you - slides from the 5-minute presentations.... Read more

Does anyone have a draft copy of the ASHRAE 209P standard? It has not been finalized? See an overview of it here from IBPSA 2016 summer meeting.

The 209 committee plans to release it for a 3rd public review and hopes to finalize it in late winter or early spring. I'm just trying to track down one of the earlier verisons of the document... Read more

Here is a fundamental question regarding measuring operational carbon emissions that I'm sure many of you can clarify for me:  Let's say you are considering design options and you want to know the relative contribution of GWP of adding an additional inch of continuous insulation to the building envelope.  The GWP from embodied carbon will... Read more

We just had a planning call for the tour, and I’m more convinced than before that: a) we picked a great location for this year’s Winter Summit and b) you won’t want to miss this tour!

Alabama’s Gulf State Park got a big infusion of funds from the BP Oil Spill (that’s an interesting story in itself), and now has some amazing new... Read more

RoseAnn Grimes

I'm working with a project team that is looking into bird control options to prevent nesting/roosting/pooping on the scrim that is designed to scrim their building's facade.  They are looking at electrified tape, repellents, laser systems, etc -- Options that don't dramatically impact the building design.  The products they're looking at claim... Read more

As with most office furniture, systems furniture can be made from unsustainable materials and use adhesives and finishes that emit formaldehyde or other hazardous compounds.

BuildingGreen-Approved Furniture

BuildingGreen approves furnishings that: