In trying to help a client write a case study on avoided carbon by using slag and flyash, I am having trouble finding a one for one equivalency that can be verified.

I have found for one pound of flyash, one pound of carbon is saved - but I can't verify that.

Appreciate the feedback!

Was anyone else surprised to see ASHRAE 228-2023 using eGRID Subregions for both the Regional Electricity Source Energy Conversion Factor and Regional Electricity Greenhouse Gas Emission Factors? In the past I have used eGRID sub-regions but also State and local utility conversion factors depending on what energy or operational carbon story I... Read more

Hi all,

We are trying to encourage participation in take-back programs and using recyclable packaging with our vendors and I was wondering how we can add it to specifications. Does anyone have any examples on how we can add wording in specs about participation in take-back programs, using recyclable packaging and/or reducing non-... Read more

In an effort to share expert knowledge on the topic of whole building LCA, we are continuing our expert guest webinar series, addressing the topic of steel on March 19th at 1PM EDT. Michael Gryniuk PE, with LeMessurier and SE 2050, will be joining us to share his strategies for reducing the embodied carbon of steel. This webinar is particularly... Read more

Hi - We have some projects within reasonable reach of ILFI's Zero Carbon Certification, which will require purchasing some off-site renewable energy. As a State Building Code Council member, I'm also eyeing the Zero Code which we will seriously consider in the next 12 months; this also requires a purchase of off-site renewable energy. 

I... Read more

I'm exploring the use of phase change material for a project. Specifically, looking at the BioPCM/ENRG Blanket product. I see on their website that ZGF used it at University of Washington. I'd love to hear any feedback from folks who have used it, and more specifically how your energy model and MEP engineer accounted for it. Thanks!! https://... Read more

Environmental, social, and governance (ESG) reporting is an increasingly common expectation throughout financial sectors, and the real estate industry is no exception. 

This live webinar with our friend Chris Pyke, Ph.D., a senior vice president... Read more

Hi, the SF Dept of Environment is doing some surplus construction materials studies there are surveys for designers and contractors.  They are looking for a wide array of responses, so don't worry if you don't live in that area!

See link for contractor survey if you are interested: 

https://formfacade.com/public/... Read more

Hi All,

I just tried to post a minute ago but it said my connection was lost, so I'm starting over again. You may see two similar posts from me.

Alejandra and I started a document (attached) with ideas on how we can tackle some of the issues we are currently facing with zero waste, as a follow up to our conversation last Friday... Read more

Though BuildingGreen has long supported the use of electric hand dryers as a more environmentally friendly hand drying option, the majority of evidence appears to support paper towels as a preferred method of controlling the spread of potential pathogens. 

And even the most efficient hand dryers contribute significant CO2 to the... Read more

Welcome to the quiz portion of Waste Water, Want Water.

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


1. Help clients make sound, holistic decisions about wastewater that take into account site, municipal infrastructure, energy goals, occupant needs, and maintenance considerations.... Read more

Hello, 

We are becoming involved with the design/construction of a new k-12 school that is intersted in entertaining geothermal. Does anyone have payback studies on geothermal?

Thanks!

Now that Ben has set up access restrictions, we have to decide what message to put on "paywall" screens. For example, on the Best Practices pages, the "Official language" tab is fully accessible, but if an anonymous user clicks on any of the other tabs they'll hit a login wall:

https://live-bituser.pantheonsite.io/best-practice/energy-... Read more

Will you be at Greenbuild in Chicago? Stop by BuildingGreen/LEEDuser booth #1522 for informal conversations with guest experts and BuildingGreen editors. You are encouraged to RSVP and add the meet-ups to your calendar, but not registration is not required.

WEDNESDAY NOV. 14

10:45 AM - 11:15 AM
Dan Winter, Neil... Read more

Hello everyone,

Wondering if anyone has evaluated/considered/specified wood fiber insulation for use in lieu of mineral wool as the exterior wall insulation?  Am mostly looking to better understand domestic availability, r-value and fire/combustibility.

We have a multi-family building in DC where the client is interested in using... Read more

With extensive environmental science research background, Elene Drosos provides contemporary commentary on the current climate affairs. She contributes up-to-date trends and shifts in regulations in major green building issues such as LEED and natural disasters. Her passion is to strive for biophilic design where native landscapes can dominate... Read more

We have a project that is looking for plaster/stucco/textured wall products that are sustainable, or “more sustainable.”

I know these products exist, but I haven’t had to spec or work with any, so I’m reaching out.

The project is in MA, so I'm also soliciting recommendations for products and/or companies who are experienced using... Read more