
Markets
The choke points reshaping how the world eats
Six waterways move most of the world's grain. Each is now under pressure — and each has a story.
Daniel Okafor·28 June 2026·6 min
Charts, maps and interactive graphics that make the shape of the food system legible.

Six waterways move most of the world's grain. Each is now under pressure — and each has a story.

Four countries dominate nitrogen exports. Understanding those flows explains a great deal about food-price volatility.