cff-version: 1.2.0 title: "UnsolvedEarth: A Living Benchmark of 20,000 Open Research Problems in Earth and Environmental Sciences" message: "If you use UnsolvedEarth, please cite both this dataset and the originating peer-reviewed scientific sources recorded in each problem's references and reference_dois fields." type: dataset authors: - name: "Ulam AI" version: "1.3.0" date-released: "2026-10-16" license: "CC-BY-4.0" url: "https://huggingface.co/datasets/ulamai/UnsolvedEarth"