• If the world stopped burning food to keep market prices up, world hunger would be solved.
• If someone turned the vast unutilized stepes of Russia into pastured, world hunger would be solved.
• If African agriculture was modernized (I'm not saying industrialized) world hunger would be solved.
• if there was large scale seawater agriculture in the worlds deserts, world hunger would be solved.
  ...

World hunger is quite solvable. Charities are either blind, stupid or dont want to be out of a job.