Watched Norman Borlaug - The man who tried to feed the world on PBS. He is a plant breeder that developed dwarf, fertilizer responsive, high-yielding crops that increased grain productivity in developing countries in 1960s. This revolutionalizing improvement is called Green Revolution. Though it is criticised for its intensive chemical fertilizer and irrigation use, he developed plant breeding methods that are standard operations in today's world.
Unfortunatelly, the world population is still growing, and despite Borlaug's miracle crops, hunger is still present in many parts of the world. "The food problem in the world has two aspects - one is production, and the other is poverty and low purchasing power of the population in some countries." The inequality in distribution is a deeply rooted problem in almost every society where the economy is liberated. Those who have more get more, and the cycle perpetuates.
It's obvious that the Earth cannot support 50 billion people. No way. It's not the matter of plant breeding, but it's more about how to slow population growth. There is not an easy answer for it.
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