Resources

Learn the field. Learn the tool.

Support guides for working in Circa, free LCA lessons for the field itself, and our research and changelog. Looking for a quick answer? See the FAQ.

Support

Guides to the Library, Gesserit, Alia and your account, step by step.

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Learn

LCA fundamentals, from the functional unit to EPDs, in 34 free lessons.

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Research

Our team's peer-reviewed work on LCA and AI.

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Changelog

What we've added, quarter by quarter.

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Latest

Fresh from the team.

Research · IJLCA, 2024

Testing the use of a large language model for data quality assessment

Changelog · Q4 2026

Sensitivity analysis, Indicator Sets, and copy and paste between graphs

Learn · Lesson

How to access and use REEL LCI data