Columbia already offers access to free EV charging for our field employees. Of the few projects that have have opted in so far, we've had to custom design and intall EV charging setups. It's good that we're doing this, but it won't scale quickly enough and cost effectively.  I think a practical next step is working with trailer companies so... Read more

Welcome to the quiz portion of The Four Core Issues to Tackle for Resilient Design (And the Programs That Can Help).

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


1. Use site-specific hazard analysis to evaluate a project’s resiliency demands.
2. Use climate change data to... Read more

Hello All,

A group of us (three architects and a builder- sounds like there should be a joke here) were debating this and we  are stumped.

Application: Residential exterior trim.

50 year warrantied composite product of agricultural byproduct with PVC (EPD not published yet) vs 100 year (if primed on all sides and painted or... Read more

I know there are a few of us WELL Performamce Testing Agents / Organizations represented in this group. In the wake of technology talks on this weeks update calls from IWBI, I'm wondering if anyone would be interested in a best practices and equipment small group discussion within the safe space of Green Gurus? Let me know! 

Hi Shane and Dennis,

What return address should we use for BIT User forum notification emails?  Ben suggests something like no-reply@bit-user.org but whatever you like is fine.

Once you decide, please let us know who controls the domain name (e.g. bit-user.org or bitbuilding.org).  Ben will send them instructions for editing the... Read more

Apologize in advance if this has been posted before but we are trying to get manufacturers of stage curtains to give documentation that proves that the product does not have halogenated fire retardants. Manufacturers say they don't have them or concentrations are limited to 100ppm but they don't seem to have documentation to provide for it.... Read more

Textiles have some of the worst environmental records of any product found in our buildings. Textile production uses a number of hazardous chemicals and pollutes water; and its environmental impacts often affect our most vulnerable populations.

BuildingGreen favors textiles made using fibers and manufacturing processes that have low... Read more

Welcome to the quiz portion of The Value of Variability.

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


1.  Understand why variability is important to the comfort and well-being of building occupants.

2.  Define “alliesthesia” and explain how it relates to the well-being of occupants... Read more

Hello, what acceptable levels of air quality are you using to evaluate natural ventilation strategies for your projects?  In our Living Building we only open windows when PM10, PM2.5, etc. are within LBC and WELL limits.  In a seasonally smoggy urban environment, this limits how often we can utilize natural ventilation even if the outside... Read more

Hello Sustainable MEP Leaders!

Over the weekend BuildingGreen received an inquiry about connecting with this peer network regarding a project. Please review David Cohan's email below to see if it is something of interest for this group.

We would invite you to reach out directly to David Cohan and let us here at BuildingGreen know... Read more

Does anyone have an experience on recycling/reusing architectural glazing? We have a sizable glazing replacement project, and I am realizing how difficult it is to find a way to prevent the glazing from going into the landfill. So far, I have reached out to Terrazzo (aggregate) manufacturers, Glass Recycling Coalition, Architectural Glass... Read more

I was wondering if any design or contractor friend here can kindly share the carbon emission factor of excavation during construction. 

I found a paper that provides energy use rate per cubic meter and associated carbon emission in kgCO2 for different phase of construction such as excavation earth work, pouring and lifting concrete,... Read more

Hello Sustainability Leaders,

Great to see some of you at Greenbuild last week.  Thanks to all who responded to Nadav’s post-election blues post.  Lots of helpful insights and sentiments that left me very grateful to be part of this community.  On a related note, since the election I’ve been asked by people in our office and in life if... Read more

Can anyone suggest a recruiter that knows the trick to finding MEP talent that is passionate about sustainability? It would be much appreciated.

Hi everyone,

Since I know we have a lot of talented people in this group, I'd like to reach out to those of you based in Los Angeles and see if anyone is interested in talking at an upcoming Living Building Challenge collaborative event.  The topic of the meeting is "Selecting Healthy Materials 101: From the perspectives of... Read more

Hive mind,

We recently learned that 3M has discontinued the production of their 3M Daylight Redirecting Film (https://www.3m.com/3M/en_US/building-window-solutions-us/solutions/dayli...). This product was selected by an architecture client last year as the optimal daylight/glare control strategy for a school project, and we're assisting... Read more