Earth is the cradle of humanity and a cautionary tale to many. the planet boasts a massive 6 billion people concentrated mostly in the Eurasian zone. The next larges concentration is in the North American zone. A large portion of the worlds infrastructure is focused in those regions with a number of scattered cities and micro countries.
In Pre-Malthusian times the planet boasted over 10 billion people sparking a massive rise in the growth of various crows, most notably wheat and corn production. Now a large portion of the surface can not sustain such crops due to the growth of Ug99 r