1. Introduction: Bladder Cancer and the EnvironmentHistorical Aspects2. Geographical Variation in Histopathological Types of Bladder CancerSchistosomiasisArsenic PoisoningChernobyl3. Analytical Epidemiological and Linked Experimental FindingsSmokingAnalgesic AbuseSaccharine4. Histogenesis of Bladder CancersHistopathologyMolecular pathology5. Carcinogens and Modification of Tumour DevelopmentCarcinogensPromoting agentsInhibitory agents6. Prevention of Bladder CancerPrimary Prevention/ Lifestyle Factors/ChemopreventionSecondary Prevention/ Screening/InterventionConclusions