We think fresh water supplies are endless, but this idealistic vision is clouded by the smoke of countless forest fires in the U.S. West and elsewhere. Instead of endless bounty, climate change is bringing us catastrophic droughts and flooding that now dominate the headlines and threaten entire regions.

This report covers innovative... Read more

Currently, the BIT User site is fully accessible without having to log in (unless you want to edit or add content, of course). The time has come, however, to start restricting access only to logged-in users.

Which sections will be freely visible, and which will be visible only to registered users? Here's what I recall from our earlier... Read more

Hi all,

We recently learned that Mass Dept of Environmental Protection (MassDEP) along with a few other state agencies are looking to offer grants for wastewater heat recovery implemented into projects. This is a newer technology that puts a heat exchanger or heat pump in the wastewater system that then extracts the heat energy and... Read more

We are attempting to use Tally on a couple projects and are wondering how others are using the tool in their design process. If any experienced users out there would be willing to have a brief phone conversation I would appreciate it. Thanks

Hi everyone,

We're hoping to do some building monitoring as part of Building Use Evaluations on our built work, starting with projects in East Africa, to ensure they are performing as intended and to keep supporting our partners. Ultimately we want to be able to log light, noise, temperature, humidity and CO2 concentration. This does not... Read more

This question came to me via our mutual friend Josh Jacobs, but while interesting it's a bit out of my range of expertise... 

In short, a critical materials assessment specifically focused on airbourne byproducts from a manufacturing process that would be first-of-its-kind in the U.S. 

The 2018 ENR Green Building Survey is due March 16th.  I'm sure you all know the metric they use to evaluate your ranking is solely the revenue from projects pursuing a green building certification in the previous calendar year.  Personally, I think this totally bogus.  How "green" a contractor is may correlate with how much revenue they have... Read more

HI All,

Built Environment Plus, a green building member-based non-profit in Boston, is looking for a dynamic person to lead our expansive Education Program which includes courses taught by BuildingGreen and many others in this network. Check out the offerings here: Trainings Archive - Built Environment Plus

This is a critical and... Read more

Welcome to the quiz portion of Making Your Own Electricity: Onsite Photovoltaic Systems.

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


1. Explain the difference between crystalline and thin-film photovoltaic technologies, and the uses of each.
2. Describe the ways in which PV... Read more

Since the launch of the Contractor’s Commitment in late 2020, nineteen companies have become signatories and many others are using the guidelines as a roadmap for their firms.   Now that the pilot year of the Contractor’s Commitment is complete, it is important to consider if and how the guidelines should evolve to be the most impactful.  Over... Read more

<iframe width="560" height="315" src="https://www.youtube.com/embed/7tCYQiWxxyA?si=lzTgKz9JaQ50_8HT" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>

Hey Gurus. Might anyone have experience, or thoughts, with regard to establishing an energy use baseline for a new advanced manufacturing facility we are working on for a regional technical community college? This type of academic facility is so relatively new, the program doesn't fall into the typical "College/University" building type from ... Read more

Hello Green Gurus! 

We are planning a virtual Show & Tell and Happy Hour for Oct. 30th 7pm - 9pm ET (4pm - 6pm PT) with a Halloween theme, bring your best costumes! We will hold presentations (virtually of course!) for about the first 1 hour and 20 minutes and then will transition to some fun Happy Hour festivities, sharing, and... Read more

Hi All,

I want to share this report, released today, that I and some other folks on Green Gurus have been working on.  The report dispels the myth that Zero Energy Buildings cost more (specifically in Massachusetts) and it goes further, making the case that Zero Energy Buildings are actually great investments.  Take a look, tell us what... Read more

Welcome to the quiz portion of Rebuilding for Resilience in the Face of Natural Disasters!

IMPORTANT: This quiz covers three related articles within this topic. 

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


It’s here! By popular demand we’re re-running the SDL Salary Survey that we last ran in 2015. 

This is for people who are currently in an SD Leader role at a firm. We’re sending this invitation out on both the Green Gurus and the SD Leaders forums, because some of you are still in transition and haven’t moved into the SD Leader forum yet... Read more

Dear All,

Greetings. On this Earth Day, I hope you're enjoying our planet's gifts and also giving your gift with reckless abandon.

As I take a short break to plan what I want to do next, this coming Friday, April 26, will be my last day at HKS. Maybe I will get a Hitchhiker's Guide to the Galaxy tattoo like Paula. 

I... Read more

Durability is the first priority for roofing membranes since interior repairs and replacement waste material, time, and money.

BuildingGreen-Approved Roofing Membranes

BuildingGreen approves: