Gypsum is calcium sulfate dehydrate, which is mined or produced as a byproduct of flue gas desulphurization (FGD) from coal-fired power plants. FGD gypsum may contain trace contaminants from coal processing, but not enough to represent a hazard to users. Years ago, some imported products created indoor air quality problems that required... Read more

On our Contractor Coffee talk a few weeks ago, Emi LaFountain (Turner Construction) brought up the idea that there was a lot of blue stain wood that are being landfilled instead of used, and suggested that maybe the designers among us could find a way to turn ugly into beautiful.

I had never heard of this issue, but I was on a call the... Read more

I wanted to share news of a pledge intiated by the US Government Health and Human Services to reduce healthcare sector emissions. It was announced on Earth Day 2022. The pledge is part of the US's efforts to meet commitments made at COP26. I highly recommend watching the webinar to hear more of the pledge's nuance.

The voluntary pledge... Read more

Hi SDL: Check out this great interview with Paul Hawken and  COTE members Gunnar Hubbard and Kira Gould. Lots of inspirational ideas about the importance of the built environment in carbon drawdown: 

Here's that link---

https://www.architectmagazine.com/technology/aia-cote-in-conversation-with-paul-hawken_o

thanks.

... Read more

Hello all,

We are looking at ways we can use our specs to reduce toxicity in projects and one step towards that goal may be to require RoHS compliant lighting, switches, alarms, meters, etc., as required by the Small Electrical Components exception in the Living Building Challenge. Based on LBC projects I have been involved with, it... Read more

Hello everyone,

For those I have yet to meet, I'm Candace Pearson. I've recently rejoined BuildingGreen after a brief interlude at law school and am now getting back into the swing of things with editorial, consulting, and peer networks. 

We had a great turn out at this year's Show and Tell before Greenbuild and all of the... Read more

I have a colleague researching existing, proposed, or anticipated changes to urban planning and building codes that encourage lower carbon footprints.

Can anyone comment on or point me to resources on how cities are using carbon footprint analysis and carbon reduction in permitting, now or in the future?

Some specific topics that... Read more

Welcome to the quiz portion of Finding Products for LEED v4—A Guide

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


1. Describe ways in which the LCA approach is gaining ground in LEED v4 and how the transition is reinforced by manufacturer transparency and disclosure.
2.... Read more

For those folks who are on our retrofit electrfication roadmap post-palooza-sub-sub-working group ;-) , I thought you might be interested in these three guides just released from BEI in collaboration with S. Winter Associates.

Here are the three Playbooks:

Can anyone point me to a (dream?) resource listing effective R-values of various wall assemblies?  We are trying to find a cost-effective R-40 wall assembly for a one and two story public middle school targeting net zero energy in Oregon.  Referencing Seonhee's "thermal bridging" thread in late April, I used Therm's native drawing feature, but... Read more

Hi folks,

We had a rich conversation in our monthly meeting last week. I've summarized the highlights below. Next call is July 11 at 2pm eastern. If it isn't already in your calendar, here's the Zoom link.

What’s on people’s minds?

Looking into high-temp water-source heat pumps for industrial applications. Transom and... Read more

Hi Folks - 

The "request for participation" email below is from Brendan Owens, who most of you know was at the USGBC for over 18 years, and is now the Chief Sustainability Officer for the US Dept of Defense. As I read the text, I couldn't help but think of this group as a deep well of expertise and experience that could undoubtedly help... Read more

Hi all,

We are hiring for a Sustainability manager position in Northern California. Webcor is a GC firm, headquartered in SF with offices in Los Angeles, San Diego and San Jose.

This is a flagship opportunity to align with a large tech clients innovative sustainability goal in downtown San Jose, and act as the sustainability... Read more

Hardware has to be durable and resist weathering to ensure that features such as doors function properly.

BuildingGreen-Approved Hardware

BuildingGreen approves hardware that uses post-consumer recycled metal content beyond what is standard in the industry. Products from manufacturers that have engaged in information transparency... Read more

Hey Everyone! My firm is a part of the local Passive House group helping organize the local Humid Climate Conference on May 2nd - 3rd. I wanted to make a post in the chat for those interested to sign up.

The theme is "Barriers To Better Buildings" and it's going to be a really strong, humid climate focused conference. We've nearly got... Read more