Impossible to solve. It can be solve coz the world form with its own hierarchy. Have its own governance. Have its own people and have its own leaders that the people choose. World hungry is not a joke. This can lead one person life to death. No foods no life. Literal, no foods, waters, shelter, no life. This is what the reality. Our world now is decreasing in supply while the population increasing in every single minute in the world clock. It cannot solve by one, two or five leaders but it can be solve by world leaders come united to discuss this problem.