I clicked this thread thinking it would be about why there is hunger in the world. The main reason for this, I think, is that starvation is often used as a weapon of war. Some famines are accidental, and result from natural disasters and weak and unreliable supply chains. Ones in the past (and likely the future) were the result of population growth outpacing food production growth. But most present famines are the result of willful neglect on someone's part, someone who either wants to hog all available food when it gets scarce, or is trying to put pressure on someone to get demands met, or both.