31 mayors introduce even more trees, parks and green space in cities to save lives and tackle the climate crisis
31 of the world’s great cities will be significantly greener in the years ahead, as leading mayors have committed to…
Global mayors unite to lead Task Force on climate and migration
A new Global Mayors Task Force on Climate and Migration launched today to address the impact of the climate crisis…
John Kerry and 19 global mayors share vision for a Green and Just Recovery to COVID-19 crisis
U.S. Special Presidential Envoy for Climate met with C40 mayors and discussed the leadership of cities on international climate efforts.
C40 Mayors Vaccine Equity Statement
C40 mayors have spoken out to support vaccine equity around the world, joining the call for fairer, faster, and more…
Mayor of Freetown elected to C40 Cities Steering Committee
Yvonne Aki-Sawyerr OBE, Mayor of Freetown, Sierra Leone has been elected as Vice Chair of the C40 Steering Committee.
Statement by the C40 Cities Steering Committee on the organisation’s new Leadership Standards
C40’s new Leadership Standards for 2021-2024 went into effect on 1 January, 2021. The commitments of our 97 member cities…