Posting at the request of Sara Bayer of Magnusson Architecture and Planning, who will soon join this group:

"In our quest to achieve Passive House EUI levels in all of our multifamily projects in a healthy manner, we are encountering pushback on the one item that is not really code min just yet (in NYC) and adds real cost:  ERV’s.  Our... Read more

Welcome to the quiz portion of LEED vs. Green Globes: A Definitive Analysis

Note: If you are taking this quiz as a member of LEEDuser, please take the quiz here.

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


1. Highlight the most significant differences between LEED and Green... Read more

There is a ton of stuff being posted about this, so this is definitely an area where it's nice to have had someone going through it and selecting the best. Thanks for doing that, Jen!

- These tips from 350.org have a great focus on connecting people and using different techniques. Their sample retreat shows how some of it might look in... Read more

Glazing connects occupants to the outdoors, but with so many opportunities for air leakage, poor insulation, and thermal bridging, glazing is the primary weak link in building energy performance.

BuildingGreen approves glazing that offers strong energy performance properties for a variety of... Read more

Hello Green Gurus,

I'm excited to share another Peer Networks webinar we have on deck for August, coming up next week!

Register HERE.

“How Good is this Product?” - Multi-Attribute Assessment of Products and Product Selection Management Tools
Thursday, August 19th, 2021
12pm - 1pm ET (9am - 10am PT)

... Read more

Faucets with high flow rates waste water—not to mention the energy used to treat and deliver it to our buildings—and the additional water stresses our wastewater treatment systems.

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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

Hi GG: Just wanted to make sure you know about a free webinar that Buildings & Cities and Carbon Leadership Forum are putting on:

Zero Carbon: Can Built Environment Education Deliver?

Monday 8 February 2021, 9 – 10 am PST

Details and registration through this site:

https://carbonleadershipforum.org/zero-carbon-... Read more

Who else missed Building Green’s annual April Fool’s issue?

Alena Jumplot

Greenbuild 2018 has a new feature – the People’s choice.  This is where you can vote for sessions that sound interesting.  I have been scrolling through this list and I am seeing a lot of great sessions, and familiar names.

So let’s crowd source this one.

Go here https://www.greenbuildexpo.com/en/education/peoplesvoice.html to... Read more

Is LEED Online mind-numbingly slow today for anyone else? Or is it just me? I may give up and try again tomorrow. Frustrating as I was hoping to submit a final review today. :(

I wanted to post a reminder for you all that the Sustainable Design Leaders Summit will be kicking off with a Pre-Summit workshop in Seattle July 31st, 9am - 3pm. If you are interested in joining your peers for this workshop, please see the registration link below. Also, if you know someone in the Seattle area that would be good to have in the... Read more

How interested are you in a Sustainable MEP Leaders Summit this summer? 

Please respond to this poll ASAP, as we need to gauge interest before we finalize any details.

When: Wed. July 26 at noon to Thurs. July 27 at 1:30. 
Where: At a conference facility near Boston
Cost: $1200, which includes lodging, meals, and... Read more

The construction sector’s take-make-waste approach to materials needs an overhaul. Materials and construction account for an estimated 11% of global greenhouse gas emissions annually. At the other end of the life cycle, demolition in the United States annually generates 90% of some 600 million tons of construction-sector debris. Getting trashed... Read more

Hello all,

I need future weather files for a project. We are looking at three years, 2050, 2075, and 2095 using two climate change scenarios, low emissions, and high emissions. I have seen ARUP's Weathershift site that uses RCP 8.5 and RCP 4.5. Are we assuming that 2.6 is not achievable? I would have used this as a low emissions scenario... Read more