One way that I have came up with to help combat hunger is to give everyone aquaponics systems (powered by Power4Patriots solar systems) combined with the 4 foot farm blueprint and rainwater collection systems. But this will require a resource investment to fully work.
Oh, and before you cry "racist!" or "bigot!", go read The convoluted uses & definitions of "racist" .
Plus, there are ways to help those in other countries, such as providing foreign aid.