Per approfondire: The Caritas Internationalis statement on “Rio + 20” (pdf) Press Release: "Holy See sponsors Rio+20 side event on agriculture and sustainable societies: Food security, land and solidarity" (pdf) Program for Caritas side event (pdf) Caritas blog from Rio Cáritas Brasileira Cáritas América Latina y Caribe Sito ufficiale Conferenza Rio+20