Hello, 

I am struggling with understanding if I should be using Annual Marginal Emission Factors (MEF) or Annual Average Emission Factors (AEF) for evaluating different building design decisions.

Everything I know is from this document. So as I understand it ... an individual building or retrofit is going to change the marginal... Read more

Hi Friends, 

I'm working on an SOP for construction waste management for LBC core and LBC materials petal projects and wanted to get your input on the comingled facility requirements. According to the guidelines, any waste that goes to a comingled facility must be a facility that has an average diversion rate of 80% or higher as a... Read more

My company is looking for ways to introduce and train employees on jobsite recycling and composting. There is definitely a culture shift that needs to change in order for it to happen, but we are looking for any success stories to help us on our journey.

1) Has anyone been successful in setting up recycling/composting programs for... Read more

Does anyone know about temporary flushout equipment that could be used to augment a building's systems to get additional CFM of OA during construction?  For our non-laboratory type projects the flushout period ends up being too long, especially in either humid summers or frigid winters (Pennsylvania).

Hoping that some of you on either... Read more

Hello Green Gurus,

On October 5th a number of Sustainable Design Leaders gathered for the Fall 2021 SDL Virtual Summit and the BuildingGreen team is happy to now share with you all the event report here!

This report can be shared publicly. If you think someone would like to see it, such as firm leadership or prospective Peer... Read more

Virgin materials can come with major environmental impacts from mining, petroleum extraction, or irresponsible logging practices.

BuildingGreen-Approved Site Furnishings

All approved products contain some post-consumer recycled content, with several boasting 90%–100% overall recycled material. Wood products are responsibly sourced... Read more

Hi folks,

I wanted to let people know about this webinar--I've heard it's good. If you do catch it please let us know what you think. Jason has offered to do a private version for our Peer Networks as well--I'd love to know how interested people would be in that opportunity.

November 14, 2019 from noon to 1 PM Pacific Time

... 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

Welcome to the quiz portion of Whole-Building LCA Tools for LEED v4 and v4.1.

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


1.  Understand the basic goals of whole-building life-cycle assessment, including how it can improve environmental performance and contribute to credit achievement in... Read more

Welcome to the quiz portion of The Death and Rebirth of DC Power. 

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


Explain when and how to integrate DC power into buildings, and the benefits of doing so.

Understand the history and background of AC and DC power in the U.S.

... Read more

Does anyone have an idea when the AIA Materials Pledge Reporting Framework will be available? Or is there a draft of what it looks like? 

BWBR is on a push to refine our approach towards materials. As AIA Material's Pledge signatory, we were hoping to incorporate the reporting framework into our efforts. Trying to get a sense of the... Read more

Hi all,

We're seeing more interest and desire for outdoor work spaces, and as we consider the design implications around working outdoors, teams have been asking about wind comfort. We've tested Ingrid Cloud and now SimScale. I'm curious if anyone would recommend any other CFD tools that are geared toward architects? Also curious if... Read more

All,

Beck is making great strides in our AIA 2030 Commitment and we are looking for an experienced energy modeler to join our team, please reach out if you know of anyone that is looking and has energy modeling experience.  the job is posted on our website:  https://beckgroup.applicantpro.com/jobs/1011136.html

As I mentioned in my five-minute presentation this morning and then discussed a little more in the break-out on RELi that followed, the full RELi Rating System, in its current form, has now been posted online: http://anyflip.com/zyqc/mdir/

Unfortunately, this is only posted as a flipbook, currently (viewable online only), and isn't... Read more

Hi folks,

Mahesh announced today that he's leaving his position as CEO of USGBC, GBCI, and ArkScoru, effective Nov. 1. An interim CEO will be announced tomorrow.

I think that Mahesh did some great things for the organization(s)--and he had some really loyal team members. He could also be challenging to work with--as I learned... Read more

Is everyone else having trouble with a dysfunctionally slow LEED-Online today (i.e., worse than the usual incredibly slow performance)?

Hello, 

We are becoming involved with the design/construction of a new k-12 school that is intersted in entertaining geothermal. Does anyone have payback studies on geothermal?

Thanks!