“It isn’t just the US: the half of the world’s population that lives in urban areas generates more than 80 percent of global output, while 600 cities that account for just one-fifth of the global population generate more than 60… — Charles Kenny Copy Share Image
“It isn’t just the US: the half of the world’s population that lives in urban areas generates more than 80 percent of global output,… — Charles Kenny Copy Share Image
