52 ENVIRONMENT | MT 5216 deterioration of the environment | BT1 water pollution | BT2 pollution | NT1 pollution from land-based sources | RT dumping of waste [5206] | law of the sea [1231] | ocean [5211] | sea [5211]
52 ENVIRONNEMENT | MT 5216 détérioration de l'environnement | BT1 pollution de l'eau | BT2 pollution | NT1 pollution tellurique | RT droit de la mer [1231] | immersion de déchets [5206] | mer [5211] | océan [5211]