This short essay aims to analyse the evolution of the Catholic social teaching regarding environmental protection. Starting from a famous article by T. Lynn White in 1966, the Judaic-Christian doctrine on the men-nature relationship has been frequently qualified as a strongly anthropocentric one, being also considered as an ideological premise of men's exploitation of the environment and, as a consequence, of the actual ecological crisis. This contribution, moving from the analysis of the Catholic social teaching on environmental safeguard and of some relevant theological, historical and social issues, explains why this idea needs to be rejected and try to imagine which role the Catholic Church, and Christianity in general, can have in faci...