Jan 10, 2013 07:10 GMT Plantagon International AB The Urban Agriculture Summit in Linköping, Sweden, January 29-31, gathers experts, decision makers, industry leaders and academia from all over the world to discuss how to feed people in the urban era. Two of the keynote speakers are Dr. He Jie, Nanyang Technical University in Singapore, and Maria Wetterstrand, former member of the Swedish parliament and leader of the Swedish green party.









