I reported previously (Aug 2015) about Green in the City – a 100 sqm farm on the roof of Tel Aviv’s Dizengoff Center. The farm is now 750 sqm, produces 10,000 heads of lettuce per month, grows 17 different varieties of greens and herbs and even a banana tree.

http://www.treehugger.com/green-food/tel-avivs-rooftop-farm-grows-vegetables-thousands-people.html