Concrete and other cementitious materials have both environmental advantages and disadvantages. As builders and designers, should we be looking for alternatives or embracing concrete over competing materials?

This special report takes a look at how these materials are made, presents the key environmental considerations relating to their... Read more

Welcome to the quiz portion of Go with the Flows: The Promise and Peril of Hygrothermal Modeling

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


1. Describe the true role of hygrothermal modeling in design.
2. Name four instances in which to consider using hygrothermal modeling... Read more

Welcome to the quiz portion of The Building Envelope: Primers from Environmental Building News.

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


1. Explain how thermal mass helps maintain indoor thermal comfort in buildings.
2. Describe the differences between closed-cell and... Read more

ICYMI, this washington post piece reminded me of our summit conversation last Friday about architecture's/SDL's role in reimagining the world post-covid through innovating our practice. 

The article contains some compelling quotes from several visionary architects (fascinated that it's mostly big-A architects, largely bypassing input... Read more

Hi Gurus,

It seems odd to think about leases now, during a time when most business are giving up leases or reducing their footprints, but there are still leases going on! Please share this link to any clients of yours who might be interested and sign up yourself if you want to advocate to your clients to consider these leases!

... Read more

Hi all,

I'm curious if anyone has insight as to the "New Federal Building Performance Standards" that were announced in May of 2021 and then referenced again when E.O. 14057 came out. The memorandum for heads of agencies that was sent out with E.O. 14057 said that the CEQ would issue these standards, but I can't find a commitment to when... Read more

A couple Minnesota cities are considering adding electrification to their sustainable building policy (required for new construction receiving City financial assistance). Concerned that the market isn't ready for a full-on mandate, they are considering a more moderate approach of requiring developers/design teams to conduct an electrification... Read more

Received answers from below questions from NIST Andy Persily

1. Is there a preferred bookends range of CO2 for both “optimal” energy and human performances?

Andy: No

2.Is the ASHRAE ventilation of 1000-1200 ppm average, probably not based on performance, suggesting current ventilation rate is sub-optimal with cognitive... Read more

Dear SD Leaders: I'm writing to make sure that you've seen a letter that has been circulating protesting the ‘pro-asbestos’ rule change the EPA is considering.  The letter is soliciting firm signatures/owners (as opposed to individuals).  I encourage you to sign and/or get your firm to sign ASAP. 

Please forward as well to any firm from... Read more

An induction range capable of replacing a standard gas range offers the potential of significantly reducing the energy required for ventilation in a commercial kitchen and improves IAQ at home.

We look for commercial-scale as well as residential induction cooktops and ranges designed to reduce indoor... Read more

Hi all,

I'm curious how various firms are approaching their own office projects, re green building certifications. I'm especially interested in medium-large firms that have multiple offices, but policies and processes from small firms may still be instructive.

Do you have a firm-wide policy or is it a case-by-case thing? Has... Read more

At Living Future last week a woman from Google asked about cost comparisons and I shared that the City of Santa Monica conducted a study analyzing the costs of a prototypical mixed-use project for a Living Building vs. LEED v4 Platinum vs. code compliant (Title 24, part 6). I thought this group might be interested as well so here is the link... Read more

How interested are you in a Sustainable MEP Leaders Summit this summer? 

Please respond to this poll ASAP, as we need to gauge interest before we finalize any details.

When: Wed. July 26 at noon to Thurs. July 27 at 1:30. 
Where: At a conference facility near Boston
Cost: $1200, which includes lodging, meals, and... Read more

Hello! 

We have several projects that are either pending ILFI Zero Carbon certification or the owner is planning to purchase offsets to cover construction emissions. Thus far, I have not considered this in our corporate footprint reporting. However, we are including A5 emissions whenever feasible and multiplying that performance over the... Read more

Hi All,

At the SCL Summit in November 2019, the Carbon Group discussed meeting in Q1 2019 to craft an action plan for measuring and voluntarily disclosing carbon emissions from our operations.   To kickoff that effort, we will be having an online meeting. 

If your company is already disclosing greenhouse emissions or if that's... Read more

Does anyone have a draft copy of the ASHRAE 209P standard? It has not been finalized? See an overview of it here from IBPSA 2016 summer meeting.

The 209 committee plans to release it for a 3rd public review and hopes to finalize it in late winter or early spring. I'm just trying to track down one of the earlier verisons of the document... Read more