WA Blueprint for SurvivalWClean Air Act 1972WClean Water ActWCoastal Zone Management ActWThe Columbian ExchangeWFederal Insecticide, Fungicide, and Rodenticide ActWThe Limits to GrowthWMarine Mammal Protection ActWMarine Protection, Research, and Sanctuaries Act of 1972WNorth Atlantic garbage patchWSeabed Arms Control TreatyWUnited Nations Environment ProgrammeWValues PartyWWild Life (Protection) Act, 1972WWorld Heritage Site