Dear LEED Experts, 

In v4.1 is possible to combine "Option 2 AND Option 3" together or is just limited to "Option 1 AND/OR Option 2     OR   ...

Hello,

I am carrying out an LCA for an EU-based project and am confused as to how to establish a baseline to compare improvements in the carbon footprint. 

The project is currently...

I can't seem to find a minimum threshold for the amount of reused / salvaged materials required to be able to achieve all (4) points within Opt 2 Path 4.

Does anyone know if...

My project is using One Click software to do LCA report. I would like to ask if LEED requires an independent professional (from One Click for example) to verify our LCA report before we submit it...

Hello all,

We have done several LCA for LEED, and we submitted them with the construction review since that is how it's defined in the LEED guideline, however, on LEED online it appears as...

Can someone please clarify if the entire project (including additions) is used as the "denominator" for this credit?  Or only the existing building that is being resused?  I am finding the credit...

Hi All,
My team and I are working through how to determine our baseline building for this credit.  The language reads:
"The baseline and proposed buildings must be of comparable size...

Wondering if anyone has experience with this - we submitted the Credit under the beta version of v4.1 in June 2021, not realizing that the April 2021 version of the Credit has lower thresholds....

Hello!

​I was wondering if it is allowed to use generic data for the Baseline and use EPD for the propsed building to show imporvements?

• For example, can we use a generic...

Is Athena the only free LCA tool to use to get the 1 point whole building assessment? I was using EC3 Tool, but it isn't accounting for all the environmental impacts outside of Global Warming...