Urban agriculture04/11/2016April 11, 2016With some studies predicting a global population of 11 billion by 2100 - the highest concentrations in cities - food supply is becoming an increasingly urgent issue. Enter urban agriculture.https://p.dw.com/p/1ITAMImage: DW/M. GrosserAdvertisementUrban agriculture to feed the massesTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video