There are way too many people on Earth already. There were barely 3 billion people alive in 1960, now it's over 7.5 billion and going up. The equivalent of the

There are way too many people on Earth already. There were barely 3 billion people alive in 1960, now it's over 7.5 billion and going up. The equivalent of the surface of Africa is already being used for crops and going up, most of it to feed livestock. There are projections of fishless oceans in less than 30 years, and we got 12 years to stop global warming. What could go wrong?