The scaling up of agroecology. Spreading the hope for food sovereignty and resiliency

To retrace the contribution of SOCLA to discussions at Rio+20 on issues at the interface of hunger, agriculture, environment and social justice (this paper is the paper position of SOCLA for Rio+20).First, this paper gives food for thought about the industrial agriculture (ecological footprint, world hunger). Then, it presents alternatives to this system: agroecological production systems. Examples from Africa, Asia and Latin America are taken. To finish, conditions for scaling up that model are presented.