Bangladesh’s extreme vulnerability to the effects of climate change is well documented. Through a complex pathway, climatic conditions have already negatively impacted human health worldwide. This is likely to escalate if predicted changes in weather patterns hold.

This report provides a systematic review of the evidence to date, both published and grey literature, on the relationship between water and sanitation and nutrition. Also survey the potential impact of improved water, sanitation, and hygiene (WASH) on undernutrition.