It’s estimated that 33% of food is wasted - And yet at the same time, nearly one in three people in the world (2.37 billion) do  not have access to adequate food.  There is no denying the future of food is a mega trend -  But how can we invest to combine profits with purpose and make a difference in the food supply cycle? On Eco Money - Rachel Kelly spoke to Gillian Diesen, Client Portfolio Manager, Thematic Equities, Pictet Asset Management to find out.