Defining and advancing a systems approach for sustainable cities

Xuemei Bai, Alyson Surveyer, Thomas Elmqvist, Franz Wilhelm Gatzweiler, Burak Güneralp, Susan M. Parnell, Anne‐Hélène Prieur‐Richard, Paul Shrivastava, José Gabriel Siri, Mark Stafford‐Smith, Jean-Patrick Toussaint, Robert J. Webb