Food production is concentrated in too few countries, many of which face water shortages, the researchers said.

Inaction on the water crisis could put more than half of the world's food production at risk by 2050, experts warned in a major report published Thursday."Nearly 3 billion people and more than half of the world's food production are now in areas where total water storage is projected to decline,

A commission recommended communities across the globe take steps to address a water crisis that threatens the world's food security and economic stability.