SAO PAULO, Brazil, 2015-9-25 — /EPR Retail News/ — Bertrand Swiderski, Group CSR Director,  gave a presentation at the Ethos 360° conference,  the largest conference on sustainable development in Latin America, about Carrefour’s sustainable development policies, notably our actions to fight climate change in stores and transportation. He spoke extensively of Carrefour’s commitments to cut CO2…