This is something I have been tracking since last year. The same or similar bill was introduced in 2022 but failed by one vote. This would mandate carbon reporting for any company with revenue of $1B or more AND which does business in California. Unlike the upcoming SEC reporting requirements, this would apply to both private and public... Read more

I think they look great - thanks to BuildingGreen for setting this up!  A few comments/questions:

I'm advising a nonprofit organization (the Retreat Farm) on whose board I sit that is renovating a large, 8,000 sf, 19th Century barn into a large community meeting space and wedding venue. We are looking for a source of either folding or stacking chairs that are durable, low-maintenance, and environmentally responsible. We may be seeking... Read more

I'm sure we'll learn more soon, but several people have asked on various platforms about how Betsy del Monte is doing (she lives in Asheville, NC, which was hard hit by Hurricane Helene). 

I had a brief text exchange with her on Saturday 28 September, and I feel sure that she would be OK with my sharing it with you all: 

We’re... Read more

Do any of you have experience with Design For Freedom yet? It came to my attention and I'm trying to investigate. I would love to hear feedback and experiences that you may have at this point. It seems like an opportune moment for this issue of forced labor (yikes! so much I don't know...) to come to the forefront, and I'm curious to hear how... Read more

Chillers are part of larger systems that provide cooling in large commercial buildings.

BuildingGreen-Approved Water Chillers

Because there isn't a single relevant efficiency standard for chillers, approved products use innovations such as magnetic bearings, variable frequency drives, or other technologies that significantly... Read more

Welcome to the quiz portion of When Passive House Goes Big!

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


Evaluate the main barriers to achieving the Passive House Standard on a large, urban project.

Identify design strategies for successfully and cost-effectively achieving the... Read more

Hi Green Gurus,

We have a lot going on this week, and I know it’s hard to keep track of everything, so I’m providing this quick update.

Conveniently, we have also just launched the new Peer Networks Hub on BuildingGreen.com, with a Calendar page where you can see all upcoming events (and a link to recordings of past events). You... Read more

Hi! Over the last 10 years, the firm where I work in Boston has predominately designed housing & senior living projects in the the Boston Metro region, with the occassional project in NH, CT, RI, and NY. We have built projects as far south at DC, but never designed anything to my knowledge in California in our 55 years of operation. A... Read more

Charlotte has been the lead customer service representative at BuildingGreen for 25 years. 

Having been involved in the nuts and bolts of customer service and accounting throughout various phases of the company’s development, Charlotte’s historical knowledge is immensely helpful to BuildingGreen’s staff and customers. Customers know her... Read more

I thought some folks here might be interested in a webinar we have coming up this Thursday 12/6 on the topic of best practices for occupant comfort surveys. Although this webinar is part of our Roast launch series, it will be tool agnostic, with information that will be applicable to any occupant survey regardless of tools used. 

To... Read more

Are you or companies considering joining RE100? http://there100.org/going-100

"Companies joining RE100 make a global, public commitment to 100% renewable electricity.

To achieve this goal, they must match 100% of the electricity used across their global operations with electricity produced from renewable sources – biomass (... Read more

Hello all,

Does anybody know of a substitute for Ecotect's solar tool? I use it to very quickly test shade options and I love how I can easily test horizontal and vertical elements, tilting and rotating them. I can have a window with the façade on one side and the sun path with the shadow mask on the other side. It is easy to use and... Read more

The Sustainable Community Design Leaders Peer Network brings together planners, architects, landscape architects, and allied leaders who are committed to leveraging the... Read more

Welcome to the quiz portion of Integrated Design Meets the Real World.

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


1. Define the integrated design process and describe what makes it different from the conventional design process.
2. Describe the charrette process and list... Read more

Hello All,
Checking in on experience with Armstrong's Tectum E-N with NEOPOR Graphite polysytrene GPS rigid foam insulation core in roof panels for exposed structure?
BASF says that NEOPOR uses up to 30% less material than other rigid foam; it is greenguard gold cerified. 

Interesting that the NEOPOR increases in R-value as... Read more