This is so dumb. It takes some not small number of acres per person to grow enough food/cloths/trees/energy/etc.

There are ~126 billion acres of land. 126 Bn Acres / 8 Bn People ~= 15 acres per person.

There are ~36.8 billion acres of land. 36.8 Bn acres / 8 B people ~= 4.5 acres per person.

This is so dumb. It takes some not small number of acres per person to grow enough food/cloths/trees/energy/etc.

There are ~126 billion acres of land. 126 Bn Acres / 8 Bn People ~= 15 acres per person.