Bogotá, Colombia and Buenos Aires, Argentina elected to the C40 Steering Committee
Mayor of Bogotá Claudia López Hernández and Mayor of Buenos Aires Horacio Rodríguez Larreta have been elected to the C40…
Celebrating the most active cities in C40 regions in 2019
We are pleased to recognise last year’s three most active cities in each region. These leading cities were extraordinarily active…
Mayor of Madrid, José Luis Martínez-Almeida commits to C40 Green and Healthy Streets Declaration
The City of Madrid today committed to procure only zero-emission buses from 2025 and ensure that a major area of…
Reinventing Cities: Global competition opens to transform cities in the face of the climate crisis
C40’s global architecture and urban design competition 'Reinventing Cities' has opened for entries. The second edition of the competition addresses…
35 cities unite to clean the air their citizens breathe, protecting the health of millions
Today, 35 mayors pledged to deliver clean air for the more than 140 million people that live in their cities.
35 ciudades se unen para limpiar el aire que respiran sus ciudadanos y proteger así la salud de millones de personas
Hoy, 35 alcaldes se comprometieron a garantizar aire limpio a más de 140 millones de personas que viven en sus…