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

Welcome to the quiz portion of Driving to Green Buildings: The Transportation Energy Intensity of Buildings​​!

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


Define “transportation energy intensity” as it relates to buildings and understand its impacts on the environment, human health, and... Read more

Hello Community!

Split systems are multi-component units that use an outdoor condenser along with separate indoor fan coils to move refrigerant—and provide heating and cooling—in buildings without the need for ducts.

BuildingGreen-Approved Systems

BuildingGreen approves mini-splits that are tested to AHRI standards and have minimum SEER and an... Read more

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

In this live webinar on the sustainability of wood construction, we tap the expertise of leaders in the field and look into three main issues:

All, today is the day I had committed to sending out the DRAFT request to equipment manufacturers of what is needed for full electrification.  I apologize that I didn't have time or focus to get my thoughts together till now (I had intended to share this with Chris and others prior to sending to the full group, but just didn't get my thoughts... 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

Hi Fellow SDLers: Just wanted to make sure everyone saw the terrific initiatives that the White House announced last week:

https://www.whitehouse.gov/ceq/news-updates/2021/05/17/fact-sheet-biden-administration-accelerates-efforts-to-create-jobs-making-american-buildings-more-affordable-cleaner-and-resilient/

Maybe some impact from... Read more

Hi Everyone,

Please mark your calendars for next Tuesday, March 17th, 2020 3pm ET (Noon PT) for an SCL webcast with Mark Chen at Skanska and Emi LaFountain at Turner Construction on Quantifying Jobsite Carbon Emissions. 

Description:

Quantifying Jobsite Carbon Emissions w/ Turner and Skanska
The focus of embodied... Read more

EDITED LINK

Hello, below is a link to our newly uploaded research report, Embodied Carbon in Commercial Furniture. This new research report introduces a case study and some new baselines for measuring the carbon footprint of commercial furniture, to add to a growing body of work on this topic among our peers:
Embodied Carbon in... Read more

Hi folks,

We're currently scoping out a BuildingGreen report on how the global market for recycled/recyclable materials has changed over the years, and what that means for waste management practices in construction, and for the availability of recycled content materials. 

This ties into the goal from the SCL Summit about LEED... Read more

Dear all,

A mechanical engineer on a healthcare project we are working on has asked for help in dividing the ventilation calculations between ASHRAE Standards 170 and 62.1; can anyone here help shed some light on it?

"This is the first time I am working on LEED for a hospital and I am not sure how the template wants me to show... Read more

Hi Gang, 

We are looking to implement the contractor commitment and are running into COVID-19 protocol barriers when looking at the Jobsite Wellness category specific to the soap as well as the food storage/eating areas on site. Anyone else run into this issue? 

-Kena 

Hi All -

I have a non-profit project that has a lot of wood structure to it, but the truss suppliers have both said they cannot get FSC wood for the project.

So, looking at the Legal Wood Pilot Credit, I need some help.  Can anyone tell me where i can find the definitions between "legal", "responsible" and "certified" are? (I'm... 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

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