Championing the
Changemakers

Team,

See this paper regarding outside air vs. filtration.

https://www.sciencedirect.com/science/article/pii/S0360132313002515

MERV-13 is a good way to get most benefits without a huge cost.

Best,
Luke Leung

Valentina works on the UX/UI design and front-end of the BuildingGreen and LEEDuser websites. With over 10 years’ experience focused on websites usability, she develops prototypes and cross-browser web interfaces as part of the WebDev team. She also collaborates closely with marketing and editorial to create any other visual design project for... Read more

Hi- Happy Monday!  

Does anyone know if there is an open-source list of manufacturers that have take-back programs? Looking for a summary/spreadsheet with details (costs, qty, etc). I have a small list but I'm guessing there is already one out there...

Also, Doesn't stage D in LCA account for take-back programs? Could this be... 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

Something we seem to be seeing a lot in our market recently are projects split into multiple packages - footing / foundation, C&S, and then later a TI package of CD's... mostly in an effort to speed up permitting and construction schedules. (Oftentimes with a contractor on board for a design / build approach). 

My question to the... Read more

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Welcome to the quiz portion of Changing Building Design Priorities for a Changing Electrical Grid!

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


Define a “Highly Variable Renewable Energy” generation asset, or VRE, and understand how VREs can most effectively contribute to the... 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

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

Would anyone have an example LEED Homes v4 specification they would be willing to share?  We are working on our first LEED Homes project, a midrise low income housing development here in Houston.  We have a LEED Homes provider, but she will not provide the specifications, which seem to be quite different in requirements and submittals from our... 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

Hello Green Gurus,

Here is the information for August's Peer Networks Webinar, A more Mindful Future: mindful MATERIALs plans for Digital Transformation through the Common Materials Framework. We hope you will join us!

Register HERE

A more Mindful Future: mindful MATERIALs plans for Digital Transformation through the Common... Read more

Welcome to the quiz portion of The BuildingGreen Guide to Insulation!

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


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

We have a client thats going through a TI remodel in a building thats a LEED Core+Shell certified building. One of the questions we are trying to figure out is are there things we need to be doing to not imperil the building's certification. 

I think the answer is that the landlord had to write tenant guidelines at the time of... Read more