Council considers absolute LCA target, baseline methodology and software implications

Jul 22, 2026

Members reviewed two whole‑building LCA approaches — an absolute target (example cited: 500 kg CO2e/m2) and a relative reduction versus a baseline building — and discussed how baseline definitions, module selection and software tools affect the outcome.

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Council examined the whole‑building life‑cycle analysis pathway, contrasting an absolute reduction requirement with a relative baseline approach. Roger Haringa noted that an absolute threshold (he cited "500 kilograms per square meter" as an example) would likely be a low bar for many projects and could make the pathway effectively a reporting exercise for now.

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