Dear all,

A mechanical engineer on a healthcare project we are working on has asked for help in dividing the ventilation calculations between ASHRAE Standards 170 and 62.1; can anyone here help shed some light on it?

"This is the first time I am working on LEED for a hospital and I am not sure how the template wants me to show... Read more

Hi all,

I wanted to reach out to fellow MEP energy modeling teams to assess everyone's experience with the new PCI calculation methodology in 2016. It was a substantial change in how we show savings on projects. Big changes can often come with un-intended consequences. I'm all for pushing to higher efficiency - just want to make sure we... Read more

Hi All:

Several of us have been meeting on a weekly basis to discuss LMN's Path to Zero Carbon Series. Each week we have a new facilitator who leads the discussion of a single post. We've had great discussions and are creating "Call to Action" items for each post to amplify the message..."It's not about the glory, it's about the ripples... Read more

Dear Gurus,

At Greenbuild this year I'll be discussing how statistics can lie (in the context of green building claims).  I'm collecting examples of this to prepare.  If any of you know of examples, please send them to me! 

Here are a few of the fun ways statistics might lie that I would be looking for: biased or too-small sample... Read more

Hi all,

I see that this was a hot topic for the Winter Retreat this past year, but I am wondering how your firms manage standard materials across your practice. two aspects - standard specification items, and also designer choice materials. 

1. Do you have a spec baseline with high performance materials that you start with for all... Read more

Welcome to the quiz portion of Building Re-Entry with Arc

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


1.  Explain the similarities and differences between LEED v4.1 O+M performance metrics and the Arc Re-Entry program.

2.  Understand how Arc Re-Entry contributes to an iterative re-... Read more

Hello SCL,

Version 2.0 of the Contractor's Commitment has officially been ratified with 33 "yes" votes out of 52 members. Congratulations, and a big thank you to everyone who helped move this forward--especilly Amanda Atkinson, who really took this project by the horns. 

You can find the updated version here.

Next, I'll be... Read more

Allen Mutapo

I have a colleague (lawyer) who is trying to assemble a list of precedent projects that used penalties or incentives for achieving energy targets. The topic she is addressing is how contracts may be changed to address growing climate change concerns.

At the moment, the only concrete example she has is a project in Washington by the US... Read more

Lighting can be inefficient and have poor quality, short lifespans, and toxic ingredients.

BuildingGreen-Approved Replacement Lamps and Lighting

BuildingGreen approves a variety of replacement lamps and lighting, including:

Energy Star-qualified LED replacement lamps (or light bulbs), including A19 Edison, screw-in products... Read more

Built Environment Plus (was USGBC MA- aka Meredith Elbaum's band) has organized this awesome sustainability scavenger hunt.

It's fun. It's easy. Anyone can participate from anywhere - it's all app based, and it's a great way to get energized for Earth Day or week! And it's for a good cause, a fundraiser for supportive organization. Have... Read more

Welcome to the quiz portion of Embracing the Economy as a Design Challenge!

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


Understand the ways that architects, community developers and others are experimenting with new financial models to support progressive design.

Approach... Read more

Some of you saw my 5-minute presentation about the Rich Earth Institute in Brattleboro, Vermont and how it is inventing new ways to keep excess nutrients from urine out of surface waters and use them instead as fertilizer. Now you can also hear about it on Planet Money: https://www.npr.org/sections/money/2018/01/26/581156723/episode-820-p-is... Read more

Hello Sustainable Advising Leaders,

Here are the notes from the last Zoom call. We had a great turnout! Looking ahead, now that things are rolling along we’d like to get into the rhythm of a regularly scheduled monthly call. Since Tuesdays seem to work well for most people, I am proposing the 4th Tuesday of the month from 3-4pm ET. That... Read more