Former United Nations Educational, Scientific, and Cultural Organization chief Federico Mayor says: “Cities consume enormous amounts of energy, exhaust water supplies, and devour food and materials....
Mantan kepala Organisasi Pendidikan, Sains, dan Kebudayaan Perserikatan Bangsa - Bangsa, Federico Mayor, mengatakan, ” Kota - kota menghabiskan banyak sekali energi, persediaan air, dan makanan serta barang - barang....