[westurner]

There is an SDG vocabulary to link problems and solutions with: https://unsceb.org/common-digital-identifiers-sdgs :

> The common identifiers for Sustainable Development Goals, Targets and Indicators are available online. The portal is provided by the UN Library, which also hosts the UN Bibliographic Information System (UN BIS) Taxonomy. The IRIs have also been mapped to the UN Environment SDG Interface Ontology (SDGIO, by UNEP) and to the UN Bibliographic Information System vocabulary, to enable the use of these resources seamlessly in linking documents and data from different sources to Goals, Targets, Indicators, and closely related concepts.

The UN SDG vocabulary: https://metadata.un.org/sdg/?lang=en

"A Knowledge Organization System for the United Nations Sustainable Development Goals" (2021) https://link.springer.com/chapter/10.1007/978-3-030-77385-4_...