Does anyone have a "healthy material" exterior bleacher benchtop (beyond natural wood or metal) recommendation for a public high school track and field? 

How do we discern between fiberglass, recycled plastic or HPDE?  Is there a rule of thumb on how to advocate for specifying a "not as bad" material? 

The project is in a coastal... Read more

Hello! 

We have several projects that are either pending ILFI Zero Carbon certification or the owner is planning to purchase offsets to cover construction emissions. Thus far, I have not considered this in our corporate footprint reporting. However, we are including A5 emissions whenever feasible and multiplying that performance over the... Read more

As with window and glazing products, the energy performance of skylights and roof windows varies greatly among different products and should be carefully considered.

BuildingGreen-Approved Skylights

BuildingGreen approves products that feature advanced thermally broken frames that dramatically reduce thermal bridging and improve... Read more

THIS WEBINAR PURCHASE AND REGISTRATION IS CLOSED.

Why high-performance assemblies? And why now? Today we demand better thermal performance from our building assemblies than ever. But higher performance... 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

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

Hi all, 

I'm posting this on behalf of Wyck Knox of our office. He can be reached at knox@vmdo.com: 

"I’m on the editorial board of the Green Schools Catalyst Quarterly, the only peer reviewed journal dedicated to sustainable K-12 schools. (http://catalyst.greenschoolsnationalnetwork.org/gscatalyst)

One of my tasks in that... Read more

Hi All,

How are folks funding training for your employees? Would it help to have free training opportunities besides lunch and learns or ones you do yourself?

For those of you outside of Massachusetts you may have employees or friends in MA that this could be relevant to.  I'm hoping my friends in MA have already heard this.

Welcome to the quiz portion of "Spec This, Not That: Avoiding Toxic Chemicals in Commercial Building Projects"!

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


Resilience Resource Database

The Defining and Measuring Resilient Outcomes Working Group has been developing a Resilience Resource Database as a repository for resources related to the topic of resilience in our built environment. 

This database and map are endeavoring to show resources for resilient design across the country to... Read more

Welcome to the quiz portion of Better Choices in Low-Slope Roofing.

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


1. Explain life-cycle impacts, health and environmental hazards, and durability of low-slope roofing options.
2. Classify situations for which reflective roofing... Read more

Under a high carbon scenario, most of North America will be 2 degrees C hotter by 2050. Meantime, we're designing buildings that will still be around in 2050, to codes that don't yet factor in chronic risks associated with climate change. I want to explain these risks to my colleagues; I'm hoping some of our green gurus can help answer the... Read more

Hello Green Gurus,

A close colleague of ours, Frances Yang of Arup, is distributing a survey developed in partnership with the Healthy Building Network (HBN).

The survey asks for which product categories you need more health information. Answers will help inform which product categories HBN next incorporates into its HomeFree and... Read more

Hello! Does anyone know of any general contractors who produce a CSR? Is anyone aware of any general contractors who have an ESG rating? If so, what company is being utilized (i.e. EcoVadis) to get the ESG rating?  

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