A dozen of the world’s largest chocolate companies have signed a joint agreement to improve sustainability in key cocoa-producing countries, starting with Ivory Coast and Ghana…The 12, which include Mars, Hershey, Mondelez International and Nestlé, have pledged to work with the Ivory Coast and Ghanaian governments and other key institutions to train farmers, provide materials and promote community development…The scheme, known as CocoaAction, is part of the work of the World Cocoa Foundation (WCF), and there are plans to roll it out to other producer countries…The other companies that have so far signed up are ADM, Armajaro, Barry Callebaut, Blommer Chocolate Company, Cargill, Ecom, Ferrero and Olam International.