"Alimentacion." . . "Population Aspect de l'environnement." . . "Johns Hopkins University." . . "Nahrungsmittelversorgung" . . "Overpopulation." . . "Bevölkerungsprognose" . . "Bevölkerungspolitik" . . "Bevölkerungswachstum." . . "Bevölkerungswachstum" . "Ayuda alimentaria internacional." . . "International Food Policy Research Institute (Washington D.C.)" . . "Agrarpolitik" . . "Aliments Approvisionnement." . . "Prévision démographique." . . "Lebensmittelversorgung." . . . . . . . . . . . . . . . . "Six billion and counting : population growth and food security in the 21st century"@en . "Six billion and counting : population growth and food security in the 21st century" . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Six billion and counting population growth and food security in the 21st century"@en . . . "Welt" . . . . "Population forecasts." . . "Food supply." . . "Nahrungsmittelkonsum" . . "Ernährungssicherstellung." . .