"Disoccupazione - Stati Uniti d'America - Aspetti sociali." . . "Stati Uniti d'America - Politica ambientale - Costi." . . "Chômage États-Unis." . . "Unemployment" . . "Unemployment." . "Environmental protection United States Cost effectiveness." . . "Environmental protection Cost effectiveness" . . "Politique de l'environnement États-Unis Coût-efficacité." . . "Stati Uniti d'America - Politica industriale - Costi." . . "Environmental policy." . . "Coût de production États-Unis." . . . . . . "Fear at work job blackmail, labor, and the environment"@en . . . . . . . "Fear at work job blackmail, labor and the environment"@en . "Fear at work job blackmail, labor and the environment" . . . . . "Fear at work : job blackmail, labor, and the environment"@en . "Fear at work : job blackmail, labor, and the environment" . . . . . . . . "Fear at work : job blackmail, labor and the environment" . . . . . . . . . . . . . . . . . . . . . . "Fear at Work : Job Blackmail, Labor and the Environment" . . . . . . "Costs, Industrial United States." . . "Environmental policy Cost effectiveness" . . . . "Environmental policy United States Cost effectiveness." . . "Unemployment United States." . . "Environnement Protection États-Unis Coût-efficacité." . . "Environnement Protection États-Unis Coût-efficacité" . "Environmental protection." . . "Environnement Politique gouvernementale États-Unis Coût-efficacité" . . "Costs, Industrial" . . "Costs, Industrial." . "United States" . .