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 folks,

As you've no doubt heard from us by now (several times), in lieu of Summer Summits this year we're offering a combination of events this fall. Our series kicked off last week with a great Regional Mini-Summit in Boston. Regional events like this were in our plans before COVID blew everything up, so this one was a long-time... 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

Hi everyone,

Will you be attending the Living Future 2023 conference, or do you live near the DC area?

If so, you’re invited to join us for an informal meetup!

When: Wednesday May 3, 2023, 7:30-9pm ET

Where: SmithGroup, 1700 New York Avenue, NW, Suite 100, Washington DC

If you plan on coming, please be sure to... Read more

Practitioners interested in reducing the embodied carbon of buildings are likely now used to considering the impact of different materials, like mass timber or low-carbon concrete. Low-carbon construction, however, may be less familiar. 

Contractors are just... Read more

Dear Green Gurus: I'm so sorry to have missed seeing many of you at AIA last week. I heard the BG and COTE events were the highlights of the week! Congrats.

I'm sure by now you've heard of the dreadful Supreme Court decision about the EPA. I thought I'd share a helpful, if not sobering, perspective in an Op-Ed today in the Washington... Read more

Love books? Want some inspiration? Join this Goodreads group with the following link... 

https://www.goodreads.com/group/invite/873351-green-gurus-goodreads-grou... (this link will be active for 30 days so let me know if you get here late and need it again)

I set this up as "private" so I will need to approve you. Anyone will be... Read more

Hi folks,

On behalf of ILFI, I'm sharing a notice that the early registration deadline for the Living Product Expo in Pittsburgh is tomorrow! This is a great event for anyone interested in a deep dive into materials transparency, hazard avoidance, low-carbon products, overall innovation, and the Living Product Challenge. There will also... Read more

Hi all,

We have a newly constructed, core/shell project having some hot water issues in the core restrooms.

There is a 0.35 Toto lav installed throughout. The hot water heaters are adjacent on each floor, located in the janitor closets. We did the math, and there could be a gallon of water standing and cooling in the pipe between... 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

Evaporative coolers use far less electricity than conventional refrigerant-cycle air conditioners and they operate without the use of refrigerants, both features that make them attractive for green buildings. However, their suitability is limited to drier climates, and most products use significant quantities of water.

BuildingGreen... Read more

I am very interested to understand the deployment of LED temp jobsite lighting on a national level.  I think this all goes back to the low emitting jobsite.

1. Does your firm utilize temp jobsite lighting on your projects?  

2. Is this every project or a percentage of projects?

3. In your state or area is it prevalent, one... Read more

Hi folks, 

AIA COTE National is looking for Techincal Reviewers for the 2025 awards. Interested, or know someone who might be?  Sign up here: https://form.jotform.com/231175886103153

Thanks!

As the Communications Associate, Petra works closely with both the marketing and editorial teams at BuildingGreen. Whether it is creating posts on Instagram, analyzing metrics, editing feature articles or writing news briefs.

Petra has a background in journalism, digital marketing and social media. She has a BA in journalism and media... 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

Hi there colleagues!

Out of curiosity, do you plan on attending Greenbuild in person in San Diego in September? My staff asked me if we were going and my answer is partially contingent on the extent to which attending would mean getting to see some of our favorite people (read: all of you). Looking forward to taking the temperature of... Read more