Friends,

This is a personal note. My son was just diagnosed with Asthma. I’m started to wonder if it’s just coincidence that this corresponded with him starting kindergarten in a school where they clean with Chlorine bleach. I found substitutes for his small preschool and at home.  My understanding is that there’... Read more

We are working on a large healthcare project in Minnesota.  We're setting sustainability goals a bit late - no certification, but targets with accountability.  I'm working to determine recycled steel content (for structural steel and rebar), and I've gotten a bit of push-back on recycled content based on being in the region of the Iron Range... Read more

https://www.linkedin.com/company/buildinggreen/jobs/

Our building scientist has been using Insight 360 to model daylight and document it for LEED certifications.  However, it appears that Autodesk is no longer fully supporting the tool and may eventually stop all together.  (we have not been able to run simulations for weeks due to a change to how "cloud credits" work on their end that they... Read more

I've been hearing recommendations for bipolar ionization, as a way to filter airborne virus particles in HVAC systems while avoiding the energy penalty of increased ventilation. However, I've also heard that ionizing equipment is dangerous because it produces ozone.

Does anyone have any insight into the effectiveness and/or cautions... Read more

Hi all,

I've tried a couple of different search terms for the forum but haven't been able to find any past conversations on electrochromic glazing yet (which makes me suspect I might be missing something...). We have a potential opportunity to use it in a vertical curtain wall application with a client that is very interested in the... Read more

Hi folks,

It's here! Highlights, key takeaways, and pics from our packed few days together in Ashland, Mass. in the 2023 Summer Summit report.

From the intro:

Effectively meeting the challenge of the moment is what the world needs from us. Being grounded and energized by connections and sharing with our peers in a safe... Read more

B-Boy Newsy

Welcome to the quiz portion of Designing Natural Ventilation.

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


1. Explain how natural venting and cooling potentials are realized in buildings.
2. Show how natural ventilation and passive cooling strategies can amount to increased... Read more

Hello all, 

Many of you have been asking about the CC reporting template for 2023 projects. It is still in-progress, but we can promise a huge upgrade from the past couple of years. In particular, the new template is designed for ongoing project tracking over the course of the year (rather than purely documentaion after the fact).  ... Read more

Sustainable Design Leaders in NYC

New York City has been discussing implementing PACE Financing for years but has not taken action. Over 48 municipalities in New York State have PACE financing for Commercial (including multi-family) properties, it's time NYC does as well. I recently learned from colleagues in the City that all of the... Read more

Dear all,

On a major renovation where the wall R-value/U-value needs to be brought up to energy code, specifically a mass wall situation, does anyone have insights on how the situation is best dealt with? On the project in question for me, the continuous insulation might have to be added to the inside surface of the mass wall and there... Read more

For a number of years a colleague and I have been teaching a course about sustainability and water in architecture at the University of Pennsylvania's architectural school (PennDesign).  This year we're hoping to bring a few new opinions to the table for at the same time as we broaden the discussion.  Because the class will be virtual again... Read more

Hello Green Gurus.

I've been looking into EPDs lately and ran across a few companies with Product Envionmental Profiles (PEPs) which they say are also known as EPDs. Does anyone have any experience with PEPs or know if they actually are EPDs? They reference ISO standards 14040 and 14044 in the writing and ISO 14025 in the list of... Read more