I would strongly argue that it's not the quantity of food that's the issue but the distribution.

Think of the obscene amounts of food we throw out every day in the western world. Some of it goes bad in stores or at home and some of it just rots away in huge warehouses for various reasons.

But if we had to increase food production by 70% we could. There are many promising new technologies like hydroponics that could give large yields using fairly little space.

In my opinion this is just more overpopulation nonsense.

This is a timely post, I was out in the country today, and the farmers still have most of the harvesting yet to do, I am a little worried and the seed potato crop is threatened.

Hello! Everyone can start a composting pile of left over fruits, vegtables, fish, egg shells, grass clippings, leaves, pulled weeds, wilted cut flowers, cow manure, horse manure, chicken droppings, etc. When Williamsburg was first founded in the United States, Virginia was solid woods, so people planted food in their front yards and in the streets even to try and grow enough to eat. Orginally Virginia was supposed to be a winey for England, but the soil is not so good, they grew tobacco instead .You can even grow tomatoe plants in the cracks of concrete. People can be more self reliant and creative, save your seeds from the foods you eat now, so you won't
totally starve to death.