Hello Gurus,

I’m writing to share with you an effort a small group of lighting designers from the Boston area started which is now rolling into a large scale effort.  We’ve put together a Lighting Advocacy Letter to accelerate the sustainability of lighting products. Inspired by the AIA Materials Pledge, the letter is intended to... Read more

Welcome to the quiz portion of Better Window Decisions: Mastering the Performance and Cost Options.

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


1. Understand the energy metrics that inform how windows affect energy loads
2. Describe ways to avoid air leakage and condensation... Read more

Posting for Kira Gould: 

Since his death on August 27, 2021, Lance Hosey has been missed by our community. We miss his voice and his vision -- as well as his collegiality and humor. Now, Columbia Graduate School of Architecture, Planning & Preservation announced the Lance Hosey Scholarship Fund to Make Things Better. We are pleased... Read more

As we begin to look into Scope 3 emissions reduction strategies, it's important to understand ways to reduce tranportation emissions to project sites. Is anyone aware of best practices or programs for contractor carpooling to jobsites? I know many of my colleagues travel to work together in one vehicle because of parking limitations, however,... Read more

We're expanding the capacity of our team, with two positions, a general project sustainability specialist as well as a more targeted position focused on the healthcare sector.

Healthcare Sustainability Specialist

Sustainability Specialist

In both cases, we're looking for smart, experienced people who understand the power... Read more

For those of you working in jurisdictions with both prescriptive and performance-based commercial energy code pathways, roughly what percentage of your projects are using the performance pathway? How do your project teams decide which pathway to follow?

In Minnesota we are seeing very few projects pursuing the performance pathway,... Read more

Office furniture’s materials and components can come from unsustainable sources, and use adhesives that emit formaldehyde or other volatile compounds.

BuildingGreen-Approved Furniture

BuildingGreen approves tables, desks, and other office furnishings certified to BIFMA’s multi-attribute level 3 standard, which requires low... Read more

Dear Colleagues,

I proposed CarbonCure for a project and the structural engineer in the meeting was opposed to it. He later sent me detailed reasoning by email. I have not used this technology and would like to hear other more experienced opinions on the technology. The project we are working on is well integrated with climate, 99% sDA,... Read more

Cher Hiblthren

Our Green Team is holding a Biophilic Design workshop on Earth Day with our own staff for biophilic interventions within our office space. We are referencing the Biophilic Design Guidebook from LBC but it will be a shorter time frame, about 1.5 hours total. Last summer we introduced biophilia to the office through the exercise where each person... Read more

Good Morning;

I wanted to share a resource that everybody might not be aware of - HomeFree by the Healthy Building Network which can be found here:  https://homefree.healthybuilding.net/products

Most of us know that HBN exists, but i think many folks just think HBN = Pharos, which is an extensive database behind a paywall that can... Read more

I'm happy to announce the Call for Presenters for this year's Gulf Coast Green, taking place in Houston May 17th.  Our theme is Crossroads: Inclusive Exchange.  We are especially seeking presentations that focus on how design can engage the community and foster social bonds and social justice.  I’m sure many of you have work that is relevant,... 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

Hello All! 

We are using TallyCat to extract quantities from our REVIT Model, and bring them over to EC3 to get a model GWP (focusing on material categories required to evaluate ILFI Zero Carbon certification).  There are a number of questions that are popping up!!

I am sure there are others trying the same thing, yes... maybe?! ... 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

I'm hoping someone knows the anser to this question. For the LEED ND certification the minimum requirement is "The LEED project should contain at least two habitable buildings and be no larger than 1500 acres." Does habitable mean buildings with dwelling units?

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