We are T-minus two days from the ILFI unconference and I am looking forward to seeing a bunch of you there.  I have a vague memory about there being a meet up scheduled - can somebody remind me of where/when.

Also, can folks that are speaking post a reply about when their session is and what the topic is please.

Thanks in advance... Read more

Hi all!

I'm working on my first energy positive / passive house multifamily building and trying to figure out the trash/recycling chute. I am curious what solutions you have employed to make the trash chute air tight? We have excluded the whole chute from the envelope. Do you use airtight doors (and which ones?) at each floor trash/... Read more

Does adding solar panels reduce a building's EUI?

Existing operational use of a building is 80 kBtu/sf/year. When we add solar, it will change the source of energy but does not change the usage.

My understanding is that the EUI does not change, but it would be good to hear from others.

It's energy consumption at the point... Read more

Is there a way for southface staff or guest experts to "pin" or "tag" the "right" answer in a forum question? It might be useful to designate the right answer and pin it to the top of a forum thread. I don't want the answer selected via crowd source but by staff or volunteers. Thanks.

Hi Everyone, just as governors are regionally deciding how to reopen their economies, it's probably time we started thinking about what getting back to work looks like for us.  And, just as governors are leaning on each other for ideas and coordination, we can benefit from discussing strategies as a group.  To that end, I wanted to get your... Read more

Welcome to the quiz portion of A Guide to Selecting Sustainable Textiles.

Learning Objectives

Upon completing this course, participants will be able to:


I was sitting in on the USGBC's monthly Advocacy call this afternoon and heard about a state-local policy proposal to use property tax incentive for GHG reductions.  Through a state-local partnership, owners of existing residential and commercial buildings who invest in qualifying outcome-based improvements would receive a property tax... Read more

Hello! Long shot here, but I thought I would try.

Alex Wilson and I are working on an article about priorities for the next four years under the Biden-Harris administration. We'd like to feature some recent photos of climate demonstrations, protest signs calling for the Green New Deal, or other environment-focused illustrations of... Read more

Wood was the first material used in window frame and sash construction, and it remains popular for homes with its warm feel and relatively high energy efficiency.

BuildingGreen-Approved Windows

Wood windows must achieve an NFRC-certified unit U-factor of 0.22 or lower. Manufacturers also must demonstrate that their highest-... Read more

I am looking for case studies/trying to identify buildings using concrete mixes with upwards of 30% replacement of cement by SCMs.  I've been in conversations with some structural engineers who are interested in lowering embodied carbon in upcoming projects, but would like to see examples of where this level of replacement has been successfully... Read more

On Wednesday, November 10th (4-5:50pm PST), the Women in Green committees of California are hosting an exciting session to celebrate the 10th anniversary of Women in Green - Steadfast and Strong.

Join us for a dynamic and lively conversation from women leading in all areas of sustainability including policy, corporate, non-profit, and... Read more

Welcome to the quiz portion of Essential Playbook to Managing LEED Construction.

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


1.  Understand the transition from LEED BD+C or ID+C v4 to LEED v4.1, especially in regard to material-related credits.

2. Discern how to properly... Read more

Hello, All.  Do we have folks in the group who helped develop Matter - a material management tool?  With its direct connection to Mindful Materials, it would be great to gain some insight from anyone in the know!  https://matterbuild.com/#/landing 

Phase one of the website will not include e-commerce (i.e. paid membership) but the BIT team wants to restrict access to some parts of the site, including the full Best Practices documents and the forum. This means we'll need a rudimentary paywall, directing users to register for full access.  Current registered users of BuildingGreen and... Read more

My apologies if I posted this question twice ont he forum - I am a newbie on this forum.

Anyone knows how to import an structural emobdied carbon project file into architectural project file of the same proejct to generate a combined Sankey graph?  My Building Transparency/CLF contacts haven't got back to me for a week now...

... Read more

Hi all,

I'm sure many (most? all?) of us have heard the changes to LEEDv4's energy standard are coming. If this is news to you, info on the balloted measures that have passed is available online here: https://www.usgbc.org/articles/leed-v4-energy-update-approved-member-ballot.

My question to MEP friends in the Green Commons: In... Read more

I'm curious if anyone can share their strategy on indoor air quality for the return to office. Is this something that is prioritized at your firm from a wellbeing standpoint and with the current health crisis at hand? Lendlease is looking into options to safeguard our employees/occupants as we move back into the workplace and I'm researching... Read more