[GPSC | Global Platform for Sustainable Cities Rapid urbanization poses a key question to us all: Will we rise above its challenges and instead seize the many opportunities? Will our cities – already hubs of economic activity and creativity – live up to their vast potential? How will cities better deliver services while also fulfilling their economic potential? The buzz about ‘sustainable cities’ is growing, but what how do we build them? Led by the World Bank and supported by the Global Environment Facility (GEF), in collaboration with development partners including UN agencies, the Global Platform for Sustainable Cities, or GPSC, is a knowledge platform and collaborative space that will enable aspiring cities to pursue these questions – and an overall agenda of long-term sustainability.]