The Latest Breaking News from C40

The Cop30 climate summit enters its final week in Brazil with ministers heading into closed rooms to fight over climate money, fossil fuels and how to protect people already hit by rising heat, storms and floods. Civil society groups say trust is thin after a decade of broken promises.

Full extent of London mayor’s foreign travel catalogued for first time since he was elected to City Hall in 2016

It’s an honour to have been invited by the Pope to speak at an important climate summit at the Vatican. Following my recent re-election in London, I go with a clear message for other city leaders — this is not the time to back down, but to double down.

London Mayor is attending a climate change summit event at the Vatican on Thursday

HUMZA Yousaf has announced a further £2 million in funding for loss and damage caused by climate change in marginalised communities at COP28.

As Cop28 conference begins, letter to heads of state from the C40 group says fossil fuels era must end

The mayor is due to fly to the US on Sunday on a four-day trip to ‘bang the drum’ for the capital

Deputy Mayor Shirley Rodrigues said there were no immediate plans for the zones, but that they formed part of the mayor’s longer term strategy for the capital

Belfast has to sign up to climate "leadership standards" to join group of cities