This article describes an Environmental Education course offered to the community health agents at Jardim Rosinha, in São Paulo, SP, which addressed issues related to solid waste, environment and collectivity. The interdisciplinary approach provided by Geosciences led to an integrated view of local realities and allowed the participants to recognize their own potencials, both individually and collectively. The approach used several teaching resources and strengthened participants’ sense of identity by engaging them in a search for a better life quality.