Oxfam challenges brands like Coca-Cola, Pepsico and Nestle to help fix global food system November 7, 2013 By Oxfam Post Share Share Oxfam challenges brands like Coca-Cola, Pepsico and Nestle to help fix global food system http://www.globalpost.com/dispatches/globalpost-blogs/global-pulse/global-food-system-coca-cola-pepsico-oxfam