Cities represent an increasingly powerful force in global politics – but they're still constrained by the agendas of slow-acting states.
They may not say 'climate change,' but many Republican US mayors support clean energy, jobs in renewable industries, and other climate-friendly policies. And so do majorities of their constituents.
The city's image as a model for black mobility and civil rights is crumbling. An expert on race and class politics takes us behind the veneer of one of the South's most important cities.
It's a good thing that cities aspire to lead the way in acting on climate change in the absence of stronger national action. But a closer look reveals the limitations of current city-based efforts.
Cities are realising that having great nightlife is not just about entertainment – it also means a 24-hour economy.
In May 2017 metro mayors will be elected in a number of cities and counties across England, but what are they and what will they do?