Boulogne-Billancourt, FRANCE, 2016-Nov-21 — /EPR Retail News/ — A week to go until the “Major Climate Challenge for Suppliers”: Tackling food wastage is on the programme of the second international edition On 24 and 25 November 2016, Carrefour will host an event for the winning projects of its "Major Supplier Challenge for tackling food waste” from…