Greg Calnago

Old windows can be leaky and uncomfortable, but window replacements are expensive and resource-intensive.

BuildingGreen-Approved Interior Window Panels

BuildingGreen approves interior window panels with robust warranties that are designed to achieve improved thermal performance with both reduced... Read more

Green Gurus -

I’m honored to be co-chairing, along with Caryn Brause FAIA, the ACSA/AIA Intersections Research conference at UMass Amherst October 2023.   The theme, "Material Economies," was developed with an eye for inclusivity for academics and practitioners alike, addressing critical emerging issues around architectural material... Read more

Welcome to the quiz portion of Eight Tips for Passing the LEED v4 AP BD+C Exam.

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


1. List important tables and calculations from the reference guide.
2. Explain what's pertinent about credit options and documentation.
3. Detail... Read more

When BuildingGreen started publication in 1992, simply finding building products designed with environmental benefits in mind was a big challenge. 

In the years since we’ve seen rapid advances in green building materials and products, and manufacturers are beginning to take topics such as embodied carbon and social justice concerns—... Read more

My firm didn't have representation at the winter summit, but I've just read the report (thank you, RoseAnn!), and was really glad to see there was conversation around mass timber. I'd love to talk with anyone who was involved in that roundtable to get a deeper download about the discussion. We've been doing a lot of mass timber buildings and... Read more

Rise above the competition in sustainability, and meet your colleagues where they are.

Our affordable firm-wide pricing offers resources that your whole firm can take advantage of, with trusted, ad-free... Read more

Happy Earth Day! I'm sharing the results of our office Earth Day Mind Map, a collaborative event lead by our Green Team with office-wide participation. https://mm.tt/1471242441?t=4c76rJLKXz 

We are celebrating with a virtual happy hour later today and will use the Mind Map to generate conversation and sharing.

I would love to hear... Read more

Here are additional slide decks from people who presented in one of our general sessions: at Max's Pot, or in the mornings. Also Jerelyn's Wednesday evening presentation on BuildingGreen's work on sustainability literacy.

Among those included here are my slides on the Rich Earth Institute and urine diversion into fertilizer--did you... Read more

Hello SCL members,

A gaping hole has been left since Patty Lloyd stepped down from our SCL steering committee. Don't worry, she is still in the network and tirelessly championing SCL. But this means we are opening up nominations for at least one leadership spot. If you are interested, please email me directly (candace@buildinggreen.com)... Read more

Hi All,

Elkus Manfredi Architects in Boston is looking to fill a few positions -if you know of anyone looking in the Boston area, plesae let me know or send them my way. Kfritsch@elkus-manfredi.com

Specifically looking for an entry-level person with specialized expertise in parametric modeling, conceptual energy modeling and... Read more

Hi Gurus!

This query just came from GSA via the Large Firm Roundtable. It seems that one way we can help is simply to route this to the best concrete and asphalt suppliers we know of, so they can respond.  

Can you pass on some information to the large firms sustainability roundtable? GSA, and the White House, just announced new... Read more

Congratulations on the site launch!  One problem, though... you appear to have overlooked the home page orientation video. Currently there's just a placeholder image that doesn't actually do anything. Did your team end up producing a BIT User video?

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

Hi Green Gurus!

Reaching out on behalf of the SDL "Expanding material re-use and including more people in the process" action group from the summer summit. (official name TBD - aka inclusive & circular economy, sustainable materials management, zero waste, deconstruction & reuse, etc.). In a nutshell ...unpacking where building... Read more

Hi Folks - sorry for the late notice, but I just heard about this two days ago and needed to get confirmation that I could share the request with htis group.

The opportunity is for business leaders in energy, efficiency, construction and design (i.e. all of us!) -

As you know, the flow of the historic federal infrastructure and... Read more