"Energie" . . "USA." . . "Prognose 1986-2025." . . "Prognose 1986-2025" . "Bioenergie" . . "Power resources." . . "Stati Uniti d'America - Risorse naturali." . . . . "Landwirtschaft." . . "Beyond oil : the threat to food and fuel in the coming decades"@en . "Beyond oil : the threat to food and fuel in the coming decades" . . . . . . "Beyond oil the threat to food and fuel in the coming decades" . "Beyond oil the threat to food and fuel in the coming decades"@en . . . . . . . . . . . . . . . . . "Beyond oil : the treat to food and fuel in the coming decades" . . . . . . . . . . . . . . . . . . . . . "Beyond Oil : the threat to food and fuel in the coming decades" . . . . "Beyond oil : The threat to food and fuel in the coming decades" . . . . "Energipolitik." . . "Energiøkonomi." . . "Energieversorgung." . . "Ressources énergétiques États-Unis." . . "USA." . . "USA" . "Naturlige energikilder." . . "Bioenergie / Energie / USA." . . "Erdölgewinnung." . . "Fødevarepolitik." . . "Energiplanlægning." . .