1. Alessandro, C. and U. Lorenzi. 2012. “Beyond an Age-Friendly City: The Participation of the Elder in the Social Production of Space through Urban Agriculture.” Communication presented at the 5th Annual Conference on Planning Research: Planning and Ageing. Think, act and share age-friendly cities. CITTA – Research Centre for Territory, Transport and Environment. Faculty of Engineering, University of Porto, Porto, May 18, 2012. http://citta-conference. fe.up.pt/editions/2012/pdf/Book%20of%20 Abstracts_2012.pdf