This is deep nerdy stuff, so don't say you haven't been warned.  ASHRAE has opened the first public review to its net zero standard (228).  Here's the blurb:

Standard Method for Evaluating Zero Net Energy and Zero Net Carbon Building Performance ASHRAE Standard 228-202x sets requirements for evaluating whether a building or group of... Read more

Hi All,

After this long winter, who is up for some fierce creativity and friendly competition in your own offices or between your companies?  What do you think of a location agnostic, virtual, Sustainability Scavenger Hunt from Earth Day to Mother's (earth) Day?

We've done the hard work for you. Join in on the fun and save your... Read more

Hardware has to be durable and resist weathering to ensure that features such as doors function properly.

BuildingGreen-Approved Hardware

BuildingGreen approves hardware that uses post-consumer recycled metal content beyond what is standard in the industry. Products from manufacturers that have engaged in information transparency... Read more

RoseAnn Grimes

Hi everyone,

During the "Integrating Social Sustainability" session at the Winter Summit, an idea was hatched to form a working group dedicated to understanding how equity services can benefit a client's pro forma. Our first step (of course) is to identify the range of services captured under "equity services" and we'd love to speak with... Read more

As part of my goal to increase staff education frequency, I'd like to introduce some training and certificate programs into the mix. I wonder what programs others have recommended to staff? Not just attending conferences (low accountability) or CEUs, but things like the Parsons Healthy Materials Certificate, or Phius/PHN passive house... Read more

Hey everyone, 

With the coming In-Use Off-Road Diesel-Fueled Fleets Regulation | California Air Resources Board we have been doing some research on availability of R-99 fuel prior to the January 1 start date. One thing we aren't finding in the research is an estimate of cost impacts. Has anyone started rolling out R-99 on their sites yet... Read more

Can anyone point me to a (dream?) resource listing effective R-values of various wall assemblies?  We are trying to find a cost-effective R-40 wall assembly for a one and two story public middle school targeting net zero energy in Oregon.  Referencing Seonhee's "thermal bridging" thread in late April, I used Therm's native drawing feature, but... Read more

SDL folks,

I wanted to make sure that you all saw that the call for presentations is open for AIA Houston’s Gulf Coast Green conference.  GCG is the leading sustainable design conference in the region and has historically had some great participation from this group.  The theme this year is Sustainability + Technology.  Details here:... Read more

Hello Everyone!

Please mark your calendars and stay tuned for more information regarding an All Peer Networks 2020 Summit Season Closing August 10th, 3-5pm ET (Noon-2pm PT).

Register HERE to get it on your calendar! The staff at BuildingGreen are looking forward to planning a fun and engaging cross-network event focused on this... Read more

Greetings from the CARE Tool Team,

We are thrilled to update you on the successful soft launch of the CARE Tool last week at Greenbuild! The online beta was unveiled at a reception hosted by EHDD, AIA COTE, and Architecture 2030 to 300+ people, where attendees got the chance to learn about and explore the tool in a demo room. We... Read more

Hi, all. We missed you at the standing check in today. We have a couple of questions for the BG team:

1. What is the timing criteria you need for Best Practice content? We need to back into a deadline on submissions and believe your critical path timing will help define ours.

2. Can you elaborate on what LEED User/BG content may... Read more

Welcome to the quiz portion of LEED vs. Green Globes: A Definitive Analysis

Note: If you are taking this quiz as a member of LEEDuser, please take the quiz here.

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


1. Highlight the most significant differences between LEED and Green... Read more

Hi folks,

I'm looking into lower-carbon pipe options for HVAC and plumbing. The MEP 2040 has slides from a Buro Happold study in 2020 showing PEX to be much lower in embodied carbon than copper, which is unsurprising. CPVC is also a lower-carbon option.

But PVC has its issues and neither PVC nor PEX are recyclable (especially if... Read more

Welcome to the quiz portion of Video: Insights to Success on LEED-CI Certification.

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


1. Identify key changes to LEED CI 2009 (ID+C).
2. Identify the circumstances of a LEED-CI project that challenge the abilityto certify.
3.... Read more

High-performance buildings integrate site-responsive orientation, climate-responsive form, hefty R-values, efficient mechanical systems, healthy... Read more

Hi Everyone.  Hope you and your families are all healthy and safe.

We are starting to figure out how we are going to implement the Contractors Commitment at my company, and we're using the opportunity to simultaneously set corporate wide and jobsite metrics and goals for sustainability tracking.

Each year we issue a sustainability... Read more