Hi folks,

I'm looking into lower-carbon pipe options for HVAC and plumbing. The MEP 2040 has slides from a Buro Happold study in 2020 showing PEX to be much lower in embodied carbon than copper, which is unsurprising. CPVC is also a lower-carbon option.

But PVC has its issues and neither PVC nor PEX are recyclable (especially if... Read more

Hi all,

We have a newly constructed, core/shell project having some hot water issues in the core restrooms.

There is a 0.35 Toto lav installed throughout. The hot water heaters are adjacent on each floor, located in the janitor closets. We did the math, and there could be a gallon of water standing and cooling in the pipe between... Read more

Dear SDL: Thanks to all who have already given their support to the AIA Resolution on Urgent and Sustained Climate Action. We're into the final push of getting out the vote to pass the resolution next Wednesday, June 5th afternoon in Las Vegas. This requires 2/3s of the voting delegates to pass. So we're asking anyone who 1) is attending as a... Read more

Welcome to the quiz portion of What Makes Plumbing Green? BuildingGreen’s Guide to Plumbing Products.

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


1. Explain how plumbing products affect the environment in ways that go far beyond water consumption.
2. Describe ultra-high-... Read more

Dear SD Leaders: The comment period closes January 31st on  NCA Volume II Climate Change Impacts, Risks, and Adaptation in the United States.

It's important to have the design communities perspective on these critical issues. I hope you can take a look and submit your comments before the deadline.

Details here: https://www.... Read more

Hi Everyone, 

Has anyone had success in finding organizations or programs that will recycle the hard hats? We are looking into options for recycling our expired hard hats that can no longer be used. Ideally, we would want to use a company with facilities across the country but we are open to any suggestions or ideas you all may have.... Read more

We are having trouble sourcing a LEED compliant wallcovering adhesive. We specified Roman Pro-880 which is low VOC but doesn't have sufficient back up for TVOCs. Have you had success with other products?

The Sustainable Design Leaders network and Summit events started over 10 years ago, when a group of sustainable designers realized that the struggles they faced and the goals they strove toward were shared by many... Read more

Producing a ton of cement releases approximately a ton of CO2 into the atmosphere, but accessories like finishes and additives can also be major sources of VOCs, soil contamination, and human health risks.

BuildingGreen-Approved Concrete Accessories

BuildingGreen approves the following concrete accessories:

Hello all,

This month's SCDL call was full of great discussion! We decided this month that we are feeling good about where we are for the Task Force Agreement on defining social sustainabiltiy in our work. The aim is to work with this agreement for a while and see if it holds up as a process framework. There was also interest to invite... Read more

Ground- and water-source heat pumps move refrigerant or water through the ground or a body of water for use as a heat source (for indoor heating) or heat sink (for indoor cooling).

BuildingGreen-Approved Heat Pumps

BuildingGreen approves:

Hello all, I would like to share an upcoming Virtual and In-Person conference for NOMA (National Organziation of Minority Architects).  Non-members can register, but I encourage anyone to join the organization to support the organization's mission.

"NOMA’s mission, rooted in a rich legacy of activism, is to empower our local chapters and... Read more

Hi all,

I'm trying to figure out how to use this CLF MEP calculator tool that is downloadable from the CLF website. Please see screenshot attached - does anybody know what they are asking for as an input?

"Custom quantities input: The user can enter custom quantities on this tab and produce numerical results. For data input fill '... 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

We are looking into different building skin materials from including GFRC and FRP (amongst others) as alternatives to precast. I remember years ago (when I was at LAS) we had retrofitted a Federal Courthouse with FRP for blast resistance. I kind of remember that at the time it had some pretty high offgassing concerns. I haven't been able to... Read more