Energy development--Economic aspectsRenewable energy sourcesDeveloping countriesElectric power distribution--Economic aspectsSustainabilityEconomicsPower resources
Cultural property--ProtectionAcquisition of propertyEconomicsArchitecture--Conservation and restoration--Economic aspectsCanada. Federal Heritage Buildings Review Office
Livestock--Economic aspectsMines and mineral resources--Environmental aspectsMines and mineral resources--Economic aspectsNatural resources—ManagementEconomicsAgriculture