Carbon Leadership Forum

Embodied Carbon Benchmark Study identified a need in the industry for standardized and accessible guidance on how to conduct an LCA of a building.  The LCA Practice Guide was developed to address this need.  The LCA Practice Guide and supporting files are provided below.

Component of Practice Guide Description Access
Practice Guide This is the primary document of the LCA Practice Guide.  It introduces the concept of life cycle assessment to building professionals and explains how to determine the environmental impacts of a building step by step.  Version 1.1 (June 2019) is the second update following the original publication in June 2018 and contains a roadmap diagram, which is also provided separately below. Download (PDF)
Road Map to Reducing Building Life Cycle Impacts

Thumbnail of roadmap document

This timeline contains suggested actions and milestones for reducing building life cycle impacts Two versions for download:

Technical Guidance This document is directed at LCA experts who are looking for technical recommendations to support the development of LCAs of buildings in North America.  Note that the version dated 2018-07-09 has the same content as the version dated 2018-06-19, but with different title page formatting that includes sponsor logos. Download (PDF)
Taxonomy for Whole Building LCA This is a proposed information scheme for reporting information relating to LCAs of buildings, Goal and Scope sections. Download (Word doc)
Gingerbread House LCA Example This is a simple example demonstrating the LCA process using a gingerbread house. Download (PDF)
CLF Resources The CLF Resources page contains supplemental materials created by the CLF. Some items are under development. Link to CLF Supplementary Resources
External Resources The External Resources page contains references to online and print resources for whole building LCA, and example LCA reports. Link to External Resources