Constitution of Nigeria. Country/Territory Nigeria Document type Constitution Date 1999 (2023) Source FAO, FAOLEX Subject Environment gen., Food & nutrition, Land & soil, Sea, Water, Wild species & ecosystems Keyword Constitutional amendment Sustainable development Freshwater pollution Pollution control Air quality/air pollution Food quality control/food safety Right to food Food security Human rights Land tenure Expropriation Property rights EEZ-Exclusive Economic Zone Maritime zone Ecosystem preservation Geographical area Africa, North Atlantic, Western Africa Full text English Website placng.org