Melbourne Lord Mayor will succeed London Mayor Sir Sadiq Khan from 1 January 2027; He will serve alongside Global South co-chair Mayor Yvonne Aki-Sawyerr of Freetown; C40 Cities t ...

Most of the world’s food is eaten in cities. By 2050, that share is expected to reach 80%. Yet the systems that feed city residents are falling short. These systems are adding to the climate crisis, ...

As New York Climate Week comes to a close, one message stood out above the rest: mayors aren’t waiting for the future. They’re acting now. Across energy, housing, extreme weather and resilience, city ...

The Journal of City Climate Policy and Economy (JCCPE) publishes timely, evidence-based research that contributes to the urban climate agenda and supports governmental policy towards an equitable and ...

Cities hold the keys to accelerating the transition to electric freight and boosting energy security, new analysis from C40 Cities, University of Exeter, and Arup reveals. Heavy-duty vehicles – though ...

With emissions reduction potential of 31,007 tonnes and over 300 electric vehicles put on roads, results underline the remarkable impact the programme is delivering on air quality and jobs, as well as ...

London, UK (23 June 2026) – Data centres, the infrastructure powering the global digital economy, are being built in cities worldwide at unprecedented speed. In many cases, residents fear that this ...

Jakarta, the British Embassy, and C40 Cities have officially concluded the UK-funded CAI programme, marking a shift toward fully integrating climate resilience into the city’s long-term infrastructure ...

As COP30 underscores the urgent need for accelerated and collaborative climate action, the focus shifts to where delivery is already happening: in our cities. Across China, cities are demonstrating ...

Brazil and Germany announced as first CHAMP Co-Chairs, marking the start of the coalition’s implementation phase beyond COP30. Belém, Brazil (11 November 2025) — At a high-level ministerial session of ...

Supported by Bloomberg Philanthropies and facilitated by the Brazilian National Front of Mayors (FNP), the partnership will help 50 Brazilian municipalities deliver climate projects by 2027 Rio de ...

Students Reinventing Cities, C40’s global design competition for young people to reimagine cities, launches its fifth edition today, inviting students and universities around the world to develop bold ...