The main subject of the essay consists in the literary representation of environment as a mixed system, half natural and half human. The symbolic value and the great significance of ecological themes in the contemporary literature are related to this environmental double entity. The essay particularly highlights the presence and the importance of trash, waste, garbage in three contemporary fiction and non-fiction novels: Les météores by the French writer Michel Tournier; Underworld by Don DeLillo; Gomorra, the docu-fictional report of the Italian journalist and writer Roberto Saviano about the illicit traffics of ‘Camorra’. The word ‘waste’ and his synonyms define composite and impure materials, that sometimes slips every clear distincti...