Chapter 15 of the Health Effects of Climate Change (HECC) in the UK: 2023 report. Robust indicators are needed for tracking the impact of climate change on health, monitor progress towards adaptation and mitigation, monitor progress with government commitments, and support policy development to build a climate resilient society. Despite the pressing need to assess impacts and progress in adaptation, the development of reliable and valid indicators has been slow and fragmented, with substantial and persistent gaps. Chapter 15 provides a review of current climate-health indicators for the UK (with many indicators developed for England but could be adapted to other countries), along with an evaluation of their suitability for monitoring public health outcomes. This chapter is based on the UK Health Security Agency (UKHSA) report ‘Climate Change and Public Health Indicators: Scoping Review’ and was led by experts from UKHSA and London School of Hygiene and Tropical Medicine.