The science is clear: we must urgently scale up action to respond to the threat of climate change to have a chance of limiting warming to 1.5 degrees, and to adapt effectively and increase our resilience. Moreover, the public health motives for action have a strong science basis and are well evidenced and compelling. In this briefing pack, key messages on climate change and health are highlighted across five priority areas of climate action: adaptation & resilience, energy transitions, nature, clean transport, and finance. This briefing pack highlights the health benefits of action in those areas, and hopes to contribute towards collective progress in the lead up to the 26th UN Climate Change Conference of the Parties (COP26). This document was produced by UK Government with contributions from WHO, Wellcome Trust, London School of Hygiene and Tropical Medicine and the Global Climate and Health Alliance. Please note, that some of the slides may be developed further over time.