english: We are in the last doubling of human population, and it will get to nine, maybe nine and a half billion, and then start not just leveling off, but probably going down.
non_english: İnsan nüfusunun katlandığı son noktadayız ve dokuz milyar veya dokuz buçuk milyara ulaşınca artmamaya ve muhtemelen  aşağı inmeye başlayacak.