"The man with one watch knows what time it is; the man with two is never sure."   --Segal's Law

We recently purchased two indoor air quality meters in the $200-$300 range and find that they never agree, not even close. I would like to find out what other people's experiences have been, and if they have tested affordable models that... Read more

Hi all,

For your planning purposes for next year, here’s info on in-person events coming up in 2024:

As you may remember, our Summer 2024 SDL Summit will be July 15-17, 2024 at IslandWood on Bainbridge Island! Tickets will be $1800, which includes the cost of meals and lodging.

We are excited to announce we will also be... Read more

Hi folks,

We had a rich conversation in our monthly meeting last week. I've summarized the highlights below. Next call is July 11 at 2pm eastern. If it isn't already in your calendar, here's the Zoom link.

What’s on people’s minds?

Looking into high-temp water-source heat pumps for industrial applications. Transom and... Read more

I've been seeing Armstrong's DC flexzone ceiling system at Greenbuild for many years. I'm working on a net zero project with LED lights and solar panels. In theory, the transmission losses in going from DC power from panels to AC for the building to DC for the lights would be eliminated. But does anyone actually have experience using this... Read more

Does anyone have language from an RFP that had specific performance criteria included that they could share? Such as a specific EUI target, detailed language about net zero, passive house, etc.

Hello all,

We are looking at ways we can use our specs to reduce toxicity in projects and one step towards that goal may be to require RoHS compliant lighting, switches, alarms, meters, etc., as required by the Small Electrical Components exception in the Living Building Challenge. Based on LBC projects I have been involved with, it... 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

Hi everyone,

Thanks so much to those who attended and shared at the Greenbuild 2024 Show & Tell! As always, we had a riveting lineup of presentations.

The slides for the presentations are below. We have permission from all of the following presenters to share the slides within Peer Networks-only spaces, but only the slides... Read more

Anyone know of tools/methodologies for estimating embodied carbon and carbon sequestration potential of individual green infrastructure projects (e.g. bioswale along bikeway)? I've seen tools for the larger scale (e.g. land use change) as well as specific to trees (e.g. i-Tree), but these don't fully meet my needs.

Thanks!

Welcome to the quiz portion of Sustainable Sites: Primers from Environmental Building News.

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


1) Describe how invasive plants can harm an ecosystem, and why native plants are generally less work and less expensive.
2) Explain the... Read more

Does anyone know of studies that measure for any correlation between the prevalence of collaborative people in leadership positions with financial (or other) success for firms/organizations?

There have been well-publicized studies on how companies with women in leadership positions, and companies with more diversity, do better. (... Read more

Welcome to the quiz portion of Improving Resilience!

IMPORTANT: This quiz covers five related articles within this topic. 

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


How much will it cost to achieve LEED v4 certification?

“We’d love a green building, but can we afford it?”

“We’re required to be LEED Silver, but we’re not sure how to get there under the new rating system.”

“Sure, we’re interested in LEED, as long as it doesn’t cost extra.”

LEED v4 and cost uncertainty

With... Read more

I'm definitely slow on the draw here, but happy to be congratulating you, Allen! What a great recognition of your work as a firm! And I love that the story about it highlights the firm's diversity.

Also worth noting--just 'cause no one here has said it yet--how cool it is that Ed Mazria won the Gold Medal this, and that AIA updated it's... Read more

Dear SD Leaders: I'm writing to let you know about a great opportunity in campus-wide sustainability and design leadership. Washington University in St. Louis (my alma mater) is seeking a new University Architect and Assistant Vice Chancellor. WashU has a very strong legacy of sustainability leadership which has recently been reinforced with... Read more