Untreated rainwater leaving a developed site is effectively a chemical spill, laden with pollutants that include oil, sediment, heavy metals, nitrogen, and phosphorous. The heat carried by stormwater is also harmful to fish and other aquatic organisms.

BuildingGreen-Approved Systems

We approve systems that:

are designed to... Read more

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UPGRADECANCEL

One week until our AdRESS conference in Houston! Nadav and I hope to see some of you there. Check out the latest announcement.

We're consolidating our office and I find I have back issues of EBN going back to 1999 on the bookshelf. Any use for these other than compost?

Hi everyone,

We're still working to find the optimal time for the SDLS monthly call. We're now looking at the 4th Tuesday of the month. Please fill out this doodle poll to let us know which of these times work for you.

Thank you!

Jen

Good evening,

I am looking for suggestions to replace"wood" siding at the 25-year-old Lyle Center for Regenerative Studies and as always there is no solution that does it all. There seem to be three main options: wood, composition siding, or fiber cement siding. I am looking for something with low embodied carbon, little maintenance,... Read more

Friends,

We put a lot of effort into air tightness design, detailing, and construction administration, often including 6-sided mockup and parital or whole-building blower-door testing.  For commercial buildings, these tests measure air leakage in cfm/sf at 1.57 psf (75pa).  

I came across this research paper several years ago, but... Read more

This page contains our full User Agreement.

This Agreement sets forth the terms and conditions for your use of all webpages under both the BuildingGreen and LEEDuser names and domains, published by BuildingGreen, Inc. (collectively, the “Site”), including The BuildingGreen Report (formerly Environmental Building News) and BuildingGreen... Read more

Does anyone know if GreenTag is a legitimate Product Certification?

http://www.globalgreentag.com/

thanks

len

Dear all,

For a specific existing building application, we are looking for a half inch insulating glazing unit, preferably with low-e coating. Based on my research, 5/8" seems to be doable (1/8" glass + 3/8" air gap + 1/8" glass) but I'm yet to find a viable 1/2" solution. Have you come across any on your projects? Thanks for your... Read more

Greetings Green Gurus!

You've probably been hearing about the infrastructure package on the news... apparently things are heating up on this topic in Washington DC as they try to get the package sorted out before the August congressional recess. Because of this, both the USGBC and the AIA are mounting advocacy campaigns in this regard,... Read more

Hello friends,

Here’s another upcoming event that BuildingGreen has been hiding up our sleeve: a San Francisco Bay Area Mini-Summit! A summary is below, see the registration page for more details or to sign up. This event is intended for SF locals, so folks who work farther afield can join, with the knowledge that Bay Area-specific... Read more

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

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


1. Discuss how insulation works to increase the energy efficiency and environmental sustainability of buildings;  2. Explain why certain materials make more sense than others in... Read more

Hi folks, I'm reading Zen and the Art of Saving the Planet (Xmas gift) and came across this quote over the weekend which resonated for me, and thought might for this group as well:

"We may feel immense pressure to save the planet in this lifetime, and we may be afraid that we can never do enough. The stark truth is that the planet doesn'... Read more

Greetings Heat Pump Water Heater (HPWH) advocates!

We have an opportunity to advocate to the US DOE on behalf of HPWHs!

Geoff Wickes is an emerging technology product manager for NEEA (Northwest Energy Efficiency Alliance) currently focused entirely on HPWH technology, policy, and market adoption (and in full disclosure: also a... Read more