Copenhagen hosts the C40.
Cities represent an increasingly powerful force in global politics – but they're still constrained by the agendas of slow-acting states.
A rally in support of Palermo’s mayor Leoluca Orlando (right), after he defied a new security decree.
In acts of civil disobedience, some centre-left mayors and regional authorities are resisting a government-level clampdown on asylum seekers.
Port of Long Beach, California.
Hundreds of US cities have pledged to meet the carbon reduction targets in the Paris climate accord. Now it's time for them to start showing results.
Dan Jarvis, Mayor of Sheffield City Region Combined Authority.
Danny Lawson/PA Images.
Westminster holds its power tight, but that could be bad news for cities and regions.
Cars sit in flood water from Boston Harbor on Long Wharf during a coastal storm on Jan. 4, 2018.
AP Photo/Michael Dwyer
They don't all support the same strategies for coping with it, but US mayors increasingly see climate change as a pressing urban challenge.
Cities are realising that having great nightlife is not just about entertainment – it also means a 24-hour economy.
Stefan Rousseau/PA Images
The working-class son of a bus driver has been elected to one of the most important roles in UK politics.
There's an argument to be made for the old way of doing things.
Forced smiles? Sadiq v Zac.
British mayors first appeared eight centuries before the current election campaigns.
Mayor R.T. Rybak surveys the 2007 Interstate 35 bridge collapse in Minneapolis, Minnesota.
u.s. Coast Guard/Wikimedia
What do U.S. mayors worry about? A recent survey finds that aging infrastructure is a top concern – and many mayors say state and federal agencies hinder their efforts instead of helping.
Earth’s city lights.
NASA Visible Earth
Hundreds of cities worldwide have pledged to act against climate change. New York City's experience rebuilding after Hurricane Sandy offers useful lessons about making urban areas more resilient.
Los Angeles looks abroad.
Unlike CEOs, mayors are enthusiastic imitators and intimate allies, rather than fierce competitors. On World Cities Day, how US mayors are looking abroad for inspiration to solve problems
Students didn’t swing it for Ed Miliband.
Students didn't hold that much sway at the election.
Chicago has encouraged green roofs to reduce water runoff and energy consumption in buildings.
Mayors from the around the world are at the Vatican to discuss climate change, a global issue that's proving to be most effectively addressed at the local level.
Making things happen in Philadelphia
New research shows how cities are tackling the issues usually dealt with by states and the federal government
Time to develop all the regions.
Greater Manchester is to get its own directly elected mayor to preside over regional issues. The new mayor will have powers over transport, housing, planning and policing in a devolution deal worth more…