52 ENVIRONMENT | MT 5206 environmental policy | BT1 environmental risk prevention | BT2 environmental policy | RT hazard science [3606] | industrial accident [6806] | industrial pollution [5216] | man-made disaster [5216]
52 UMWELT | MT 5206 Umweltpolitik | BT1 Vorbeugung von Umweltrisiken | BT2 Umweltpolitik | RT industrielle Verschmutzung [5216] | Industrieunfall [6806] | von Menschen verursachte Katastrophe [5216] | wissenschaftliches Risikomanagement [3606]