The workshop brings together researchers, practitioners, and policy‑makers to advance the state‑of‑the‑art in applying artificial intelligence to Earth observation for sustainability challenges. Technically, this workshop explores how state-of-the-art EO data-tailored foundation models, efficient architectures, and novel learning paradigms can be leveraged or adapted to tackle pressing sustainability challenges. Topics include, but are not limited to, climate monitoring, disaster response, biodiversity, agriculture, urban development, clean energy, and social economics.