Hello! We are currently working on an LBC Petal project pursuing the Materials Petal. Does anyone know whether H1 lubricants are inherently Red List Free given they are food grade lubricants? We are trying to figure out whether NSF H1 registered lubricants need ingredient reporting or whether the NSF registration works similar to Delcare, RoHS... Read more

Hello everyone,

For those I have yet to meet, I'm Candace Pearson. I've recently rejoined BuildingGreen after a brief interlude at law school and am now getting back into the swing of things with editorial, consulting, and peer networks. 

We had a great turn out at this year's Show and Tell before Greenbuild and all of the... Read more

Does anyone have a Passive House detailing resource recommendation? Something that is applicable to wood over podium and/or metal framing construction? I have the book below but looking for something more applicable.

Passive House Details: Solutions for High-Performance Design 1st Edition

by Donald B. Corner (Author), Jan C.... Read more

Hi everyone,

Registration for the 2025 Super Summit is live! Register here for the SDL Summit and save your seat to join us in Omaha. 

We’re also excited to announce the Pre-Summit Workshop for this year – “From Transactional to Transformative: Building Relationships for Change.” The workshop will be led by David Jay, author of... Read more

Just had a contractor call who said they had a university client interested in using natural-gas-fed fuel cells as an alternative to grid power in some applications.  They were interested in an intermediate scale: 300kW.

Anyone with any experience with these devices? 

Hi SD Leaders: I wanted you to know about a terrific initiative that is part of the Project Drawdown effort called Project Drawdown Ecochallenge. The Project Drawdown EcoChallenge is a fun and social way to learn about and take action on the 100 most substantive solutions to global warming. 
Drawdown EcoChallenge provides tools and... Read more

Hi All, this is primarily directed at our Sustainable MEP folks, but please anyone with insight feel free to weigh in.

I am increasingly seeing designs and specifications asking for Passive House levels of airtightness as verified by blower door testing, but with traditional ventilation system designs. 

To me, Passive House US has... Read more

Welcome to the quiz portion of Mind the Gaps: Making Existing Buildings More Airtight!

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


Identify key performance problems related to leaky building enclosures.

Examine the benefits of making existing buildings more airtight, such as... Read more

HGA is collaborating with the University of Minnesota Climate Adaptation Partnership (MCAP) to research how the AE industry is currently using climate projection data, and what they need in order to grow their use of data. MCAP is currently producing a set of dynamical downscaled climate projections for the state of Minnesota and unlike other... Read more

The Planning for Resilient Outcomes Working Group has had a few preliminary meetings and we would like to invite interested Green Gurus to join our group.  To give you an idea of what we are about, we have developed a purpose statement to guide our future work: 

The Planning for Resilient Outcomes working group will elevate the industry'... Read more

Calling all Sustainable Design Leaders - Coming up on March 1st, we’re hosting a virtual SDL check-in. We’ll have a round of five-minute presentations as well as a refresh of the SDL Steering Group.

Quick point of clarification: For those who’ve been around for a while, you may remember this group as the “SDL Regional Leaders”. As we’ve... Read more

The current Stantec/BuildingGreen featured topic is Material Health. Read on to learn the essentials, and then dive deep to earn CEUS.

Also see the Resilient Design featured topic, and also a survey of topics trending in Stantec’s regions.... 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

Hello All,

I'm supporting a project that is pursuing Green Globes and trying to get familiar with its content.  I'm hoping someone might have experience with the program and be able to provide direction toward products that have an OESR.  From what I've read, this is a material ingredient disclosure type report, based on ASTM std. E3182-... Read more

Good HVAC instrumentation and control systems improve occupant comfort, save energy, and help prolong the lifespan of the equipment.

BuildingGreen-approved

Products approved by BuildingGreen include occupancy sensors, programmable thermostats, digital controllers, wireless systems, and other equipment that help monitor and control... Read more