Urban agriculture as a keystone contribution towards securing sustainable and healthy development for cities in the future

Siv Lene Skar, R. Pineda-Martos, A. Timpe, B. Pölling, Katrin Bohn, M. Külvik, C. Delgado, C.M.G. Pedras, T. A. Paço, M. Ćujić, N. Tzortzakis, A. Chrysargyris, A. Peticila, G. Alencikiene, H. Monsees, R. Junge