Covid-19 has cast a long shadow over global dialogues around food and nutrition security bringing into sharp focus the relationship between public health, poverty and hunger.

In addition to the pandemic, other threats to food and nutrition security loom large, from climate change and biodiversity loss to trade wars.

But there is one single threat that poses a danger above all others and which must be at the top of the international development agenda because it impacts every aspect of the food system everywhere: risks to and from water.

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