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Comparing sustainability of real vs. artificial Christmas trees through Life Cycle Assessments (LCA) based on ISO 14040 standards, highlighting environmental impact factors.
ANSI | Sustainability

Which Christmas Tree Is More Sustainable? Real vs. Fake

ByAlexandra Schirn December 18, 2025December 17, 2025

Each holiday season, the question arises: which is the more sustainable choice for a Christmas tree—real or artificial? Life Cycle Assessments (LCAs), guided by the…

A sustainable green building adhering to LCA specifications in ASTM E2921-22.
ANSI | Building Design | Sustainability

ASTM E2921-22: Whole Building Life Cycle Assessments

ByAlexandra Schirn September 6, 2023May 21, 2025

Architects are increasingly interested in reducing the environmental impact of the buildings they design. Life Cycle Assessment (LCA) helps answer questions that arise during the…

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