And looking at the UN's recent statistics and projections that the world will have 11 billion people on the planet before it plateaus in 2100, you're concerned about what that does to natural resources -- arable land, potable water, energy and minerals.
Dan melihat statistik dan perkiraan PBB terbaru bahwa dunia akan dihuni 11 milyar orang di planet ini sebelum stabil di tahun 2100, Anda khawatir tentang yang terjadi pada sumber daya alam -- tanah pertanian, air minum, energi dan mineral.