An employee (R) checks leaves as he holds a young cocoa plant in a research centre on November 23, 2012 in Abidjan, as Ivory Coast's capital city hosted world players in the cocoa business for a conference on how to face up to the challenges posed by soaring demand. The London-based International Cocoa Organisation (ICCO) organised until November 23 what it says is the first World Cocoa Conference to discuss a sustainable future for the industry in the face of growing demand.