Climate change is having a profound impact on the Western Pacific region, particularly on Pacific Islands, as highlighted by the United Nations Intergovernmental Panel on Climate Change.1 Impacts include rising temperatures, sea-level rise, an increase in the frequency and intensity of extreme weather events (EWE), and a rise in air pollution, posing severe challenges to the region's ecosystems and the health and well-being of communities.1,2 Climate change has direct and indirect impacts on physical and mental health, exacerbating existing health issues and creating new challenges for healthcare systems, including increased risk of heat-related illnesses, vector-borne diseases, and mental health conditions.2 Climate change has been also linked to suicidal ideation and behaviour.2 In this commentary, we briefly address our current knowledge on climate change and suicidality.