Either the world will continue to heat up, or a complex series of climate changes could tip us over into a sudden new ice age - one so severe, suggests Peter Schwartz, co-founder of the Global Business Network consultancy, that the planet's
remaining arable land would only be able to support a mere two billion people.
Not exact matches
As long as vast areas of
arable land
remained untilled, care for the land seemed sentimental.
East Antarctic ice sheet: Abrupt (geologic, but still shortish), absolutely catastrophic (even over centuries; 70 meters covers an awful lot of
arable land and infrastructure, and there's no guarantee that the
remaining dry land will be an Eden).