In his constant commitment to the environment, Narchi was a member of the scientific committee of the Associação de Defesa da Flora e Fauna (ADFF) (Association for the Protection of the Fauna and Flora of Brazil) from 1973 to 1976, today: Associação de Defesa do Meio Ambiente (ADEMA- SP) and from 1979 to 1987 member of the board of the Fundação Parque Zoológico de São Paulo (FPZSP) (Foundation of São Paulo Zoological Garden).