I've been hearing a lot of talk about density becoming a thing of the past. Like with the danger of antimicrobials, it would be great to have some more in depth backup information on whether density is really a danger factor, or if other factors are more important, when we go into these conversations. Does anybody have any new or better... Read more

Is anyone else working on a project doing Living Building Challenge v4.0 Energy Petal? We're working through the Imperative 08 Net Positive Carbon Resiliency Strategy requirements that ask for the project to be habitable for a week in the event of an emergency. We're curious how others are defining "habitable" and what systems assumptions... Read more

Welcome to the quiz portion of Eight Tips for Passing the LEED v4 AP BD+C Exam.

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


1. List important tables and calculations from the reference guide.
2. Explain what's pertinent about credit options and documentation.
3. Detail... Read more

BuildingGreen is considering hosting a reception and SDL Show & Tell at the AIA Conference on Architecture 2019. If you are planning to attend the conference, please email me directly. Your participation will influence our decision. The newly forming Small Firm SDL peer network (firm w/less than 50 employees) will have their inaugural... Read more

Does adding solar panels reduce a building's EUI?

Existing operational use of a building is 80 kBtu/sf/year. When we add solar, it will change the source of energy but does not change the usage.

My understanding is that the EUI does not change, but it would be good to hear from others.

It's energy consumption at the point... Read more

We are T-minus two days from the ILFI unconference and I am looking forward to seeing a bunch of you there.  I have a vague memory about there being a meet up scheduled - can somebody remind me of where/when.

Also, can folks that are speaking post a reply about when their session is and what the topic is please.

Thanks in advance... Read more

This summit was pre-approved for 10 AIA HSW LUs and 10 GBCI CE hours.

Please complete the survey question to confirm your attendance and receive your CEUs.

By providing your credential numbers in your profile, you will enable us to automatically report these CEUs to the organization. Please first check your profile to be sure your... Read more

THIS WEBINAR PURCHASE AND REGISTRATION IS CLOSED.

Thermal comfort is a science of both physics and people, always a tough... Read more

I'm looking to compare using an electric tower crane vs a diesel generated tower crane.  I've got the average gallons/hour for the size of crane I'm looking at, but when I reached out to the crane manufacturers, they can only tell me what size electric supply I need to provide, not the kWh usage for the cranes.  I know that it varies depending... Read more

Wood was the first material used in window frame and sash construction, and it remains popular for homes with its warm feel and relatively high energy efficiency.

BuildingGreen-Approved Windows

Wood windows must achieve an NFRC-certified unit U-factor of 0.22 or lower. Manufacturers also must demonstrate that their highest-... Read more

This is specifically to Chris but also to anybody who is interested in the topic - which Chris raised on our SAL call today, regarding how to influence change:

From this article, which i thought was good but had a great paragraph pulled below.

https://www.nytimes.com/2020/02/12/business/Steve-Mollenkopf-Qualcomm-corner-office.html... Read more

This month on our Sustainable MEP Leaders call we were asked what resources would be suggested for advancing integrative design.

Two books immediately came to mind for me:

How Building Learn, by Stewart Brand

https://en.wikipedia.org/wiki/How_Buildings_Learn

It was many years ago but reading Stewart Brand’s How... Read more

We have a client for whom we are designing a very high performance manufacturing facility, and they want to communicate their building's performance both dynamically and in real-time within their lobby for guests and staff.

We would like to mine the wisdom of this group to see what recommendations we can muster regarding high quality... Read more

I am looking for case studies/trying to identify buildings using concrete mixes with upwards of 30% replacement of cement by SCMs.  I've been in conversations with some structural engineers who are interested in lowering embodied carbon in upcoming projects, but would like to see examples of where this level of replacement has been successfully... Read more

Southface will need a procedure for adding and assigning SMEs to the BITuser site. Normally you could just create the user in BITuser and assign the role right there, but we have the added complication of Salesforce SSO, which means the sequence will have a few extra steps.

Here's the basic outline:

Hello! Long shot here, but I thought I would try.

Alex Wilson and I are working on an article about priorities for the next four years under the Biden-Harris administration. We'd like to feature some recent photos of climate demonstrations, protest signs calling for the Green New Deal, or other environment-focused illustrations of... Read more

In our quest to create a low carbon future the lectrification/Decarbonization working group is planning spend the next 10 months creating tools to advocate for electrification: