AIA: An Open-Source Semantic Framework for Universally Interpretable Impact Data

LFDT Miami
Climate and sustainability projects generate vast amounts of impact data — but too often, that data is hard to compare, integrate, or audit. Different projects use different terms, schemas, and structures — even when they are measuring the same underlying phenomena. This fragmentation creates friction for integrators and limits meaningful, global, cross-platform impact accounting.

On 17 February 2026 at 08:00 AM Pacific, the LFDT CA2-SIG Standards Working Group will present the [Anthropogenic Impact Accounting (AIA) ontology suite](https://www.lfdecentralizedtrust.org/blog/climate-action-official-release-of-the-anthropogenic-impact-accounting-ontology-suite), an open-source semantic framework designed to address this challenge. Developed over four years through rigorous bi-weekly working sessions and multiple redrafting cycles, the AIA suite provides a coherent and extensible foundation for expressing impact data in a universally interpretable way.

The first public release of AIA, published on 16 September 2025, comprises four modular, W3ID-registered ontologies:
\- claimont \([https://w3id.org/claimont](https://w3id.org/claimont)): Semantics for claims, claimants, evidence, and attestations
\- infocomm \([https://w3id.org/infocomm](https://w3id.org/infocomm)): Communication primitives for structured information exchange
\- impactont \([https://w3id.org/impactont](https://w3id.org/impactont)): Foundational concepts for modeling impact relationships
\- aiao \([https://w3id.org/aiao](https://w3id.org/aiao)): An integrated framework for anthropogenic impact accounting

Join us for an overview of how AIA can help your impact data become more interoperable, auditable, and reusable!