An elevator system can account for 4%–10% of a building's electric energy load, without considering impacts on heating and cooling. Conventional finishes are also common.

BuildingGreen-Approved Systems

We approve the most efficient tension elevators from leading manufacturers, including models that incorporate:

As promised at the SDL Summer Summet: Hennepin County Energy & Environment's new Project Manager’s Guide to Material Reuse in Commercial Buildings, with specification language, guidance for procurement, and case studies of successful reuse projects around the country. This resource is meant to help owners, architects, and contractors... Read more

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

Friends of EPIC –

Hey, everyone. As some of you might have heard, we’ve been working for a while with Autodesk to get c.scale (the data model behind EPIC) built into Forma – Autodesk’s AI-powered planning tool. Forma is packaged within Autodesk’s AEC collection and most firms using Revit should already have access. This integration is... Read more

Hi Advising Leaders!

Lets get this forum going by introducing ourselves (yes, I know we mostly know each other, but just to be sure). And sharing what's most exciting and/or bugging us these days. Oh, and if you haven't already, please fill out your BG.com profile with a picture and bio. 

I'll start. I'm Nadav, president at... Read more

Welcome to the quiz portion of Net-Zero Energy Isn’t the Real Goal: 8 Reasons Why!

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


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

"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

Are your clients asking you about wellness? You’re not alone. Healthy interiors and wellbeing are the trending buzzwords of sustainable design. Lighting design for circadian rhythm and water filtration methods might be on the... 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

If anyone else has gotten confused going between parts-per-million and percentages (parts per hundred!) for material reporting here's a little infographic that might help. Feel free to use or improve! 

We are having trouble sourcing a LEED compliant wallcovering adhesive. We specified Roman Pro-880 which is low VOC but doesn't have sufficient back up for TVOCs. Have you had success with other products?

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:


I'm sure if I hop in the way back machine I could look in the forums and find old threads on LEED GA and LEED AP study resources, but I also know that material comes in and out of date. Has anyone found a good, current solution for firmwide LEED study materials?

We used to have some GBES resources, but those are intended to be person-... Read more

Hello all,

This month's SCDL call was full of great discussion! We decided this month that we are feeling good about where we are for the Task Force Agreement on defining social sustainabiltiy in our work. The aim is to work with this agreement for a while and see if it holds up as a process framework. There was also interest to invite... Read more

Hi all,

We are taking a deep look at green accreditations within our firm. Gone are the days when we could say: "our staff is XX% LEED APs!" as a metric of firm progress. Here are a few questions we are asking ourselves, and I'm wondering how you approach this in your firms:

Greetings Gurus!! I'm super excited to invite you all to help each other :)

As many of you know, BuildingEase (a completely free tool!) has been born this year, the newest function we just launched is the Crowdsourcing function.

Crowdsourcing lets anyone contribute products to a public Material List (similar to an Outline Spec)... Read more

Pipe that delivers domestic water in North America is typically made from copper, chlorinated polyvinyl chloride (CPVC), cross-linked polyethylene (PEX), all of which present environmental challenges. Bimodal polyethylene  (PE-RT) and polypropylene (PP) are potential alternatives with lower climate and health impacts.
... Read more