The 2024 report of the Lancet Countdown on health and climate change “reveals the health threats of climate change have reached record-breaking levels” and provides “the most up-to-date assessment of the links between health and climate change”. Yet its treatment of experiential knowledge – particularly the direct observations and understanding developed by frontline health workers and communities – reveals both progress and persistent gaps in how major global health assessments value different forms of knowing. The fundamental tension appears right at the start. The report notes a significant challenge: “A global scarcity of internationally standardised data hinders the capacity to optimally monitor the observed health impacts of climate change and evaluate the health-protective effect of implemented interventions.” This framing privileges standardized, quantifiable data over other forms of knowledge. Yet paradoxically, the report recognizes that “health workers are already intimate witnesses to the impacts of climate change on the health of …
