Global health continues to grapple with a persistent tension between standardized, evidence-based interventions developed by international experts and the contextual, experiential local knowledge held by local health workers. This dichotomy – between global expertise and local knowledge – has become increasingly problematic as health systems face unprecedented complexity in addressing challenges from climate change to emerging diseases. The limitations of current approaches The dominant approach privileges global technical expertise, viewing local knowledge primarily through the lens of “implementation barriers” to be overcome. This framework assumes that if only local practitioners would correctly apply global guidance, health outcomes would improve. This assumption falls short in several critical ways: The hidden costs of privileging global expertise When we examine actual practice, we find that privileging global over local knowledge can actively harm health system performance: Evidence from practice Recent experiences from the COVID-19 pandemic provide compelling evidence for the importance of local …
Critical evidence gaps in the Lancet Countdown on health and climate change
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 …