[1] Lund Univ, CIRCLE, S-22100 Lund, Sweden
[2] Harvard Univ, Sch Govt, Sustainabil Sci Program Kennedy, Cambridge, MA 02138 USA
[3] Eawag Swiss Fed Inst Aquat Sci & Technol, Dept Environm Social Sci, CH-8600 Dubendorf, Switzerland
[4] Univ Utrecht, Fac Geosci, Chair Geog Transit Urban Infrastruct, NL-3584 CS Utrecht, Netherlands