C40 cities are taking action

Cape Town is accelerating its shift to clean energy while making sure the benefits reach communities across the city. Mayor Hill-Lewis shares the work behind Cape Town’s move toward reliable, accessible, and affordable energy for all residents

This video was originally produced for the C40 World Mayors Summit 2025.

Casablanca is reshaping the energy transition, putting fairness, economic opportunity, and long-term resilience at the centre. Mayor Rmili shares how the city is building urban resilience and protecting public health for all.   

This video was originally produced for the C40 World Mayors Summit 2025.

Durban (eThekwini) is taking on one of its biggest pollution challenges – emissions from the city’s port and shipping sector. Mayor Xaba walks through the city’s work to reduce harmful emissions, protect public health, and improve air quality for all.

This video was originally produced for the C40 World Mayors Summit 2025.

Governor Chadchart Sittipunt shares how Bangkok’s climate action is improving air quality and leading to better health outcomes for residents. 

This video was originally produced for the C40 World Mayors Summit 2025.

Governor Anung shares how Jakarta is expanding access to electrified public transport across the city, leading to health and economic benefits for residents. 

This video was originally produced for the C40 World Mayors Summit 2025.

Mayor Joy Belmonte shares how Quezon City is embedding equity and inclusive climate action within the city’s operations and approaches. 

This video was originally produced for the C40 World Mayors Summit 2025. 

Mayor Oh shares how Seoul’s climate action is leading to new employment, skills development and economic benefits for residents. 

This video was originally produced for the C40 World Mayors Summit 2025.

Lord Mayor Clover Moore shares the impacts of Sydney’s work to make the built environment more resilient and sustainable. 

This video was originally produced for the C40 World Mayors Summit 2025.

Governor Koike shares how Tokyo is equipping the city to be resilient during future flooding events. 

This video was originally produced for the C40 World Mayors Summit 2025.

Yokohama has set a bold target: to fully decarbonise the city’s central business district by 2030. Mayor Takeharu Yamanaka outlines the city’s ambitious plan – from clean energy and efficient buildings to systems that support a thriving, low-carbon economy.

This video was originally produced for the C40 World Mayors Summit 2025. 

Mayor Halsema shares how Amsterdam is developing green city funds and engaging with key investors to help unlock the city’s climate goals.

This video was originally produced for the C40 World Mayors Summit 2025.

Mayor Collboni shares how Barcelona is implementing its Climate Plan through actions such as implementing green spaces, making schools climate-resilient and calling on other levels of government to also accelerate climate action.

This video was originally produced for the C40 World Mayors Summit 2025.

As extreme heatwaves become more common, Berlin is adapting fast. Mayor Wegner outlines how the city is developing a new climate adaptation strategy rooted in preparedness and resilience.

This video was originally produced for the C40 World Mayors Summit 2025.

In Heidelberg, climate action starts with urban planning. Mayor Würzner shares how the city is redesigning neighbourhoods, prioritising livability, and preparing for a future where economic sustainability and quality of life go hand in hand.

This video was originally produced for the C40 World Mayors Summit 2025.

Mayor José Luis Martínez-Almeida  shares how Madrid is employing city planning to become more livable and climate resilient. 

This video was originally produced for the C40 World Mayors Summit 2025.

Mayor Gualtieri shares how Rome is working on making the city more resilient and sustainable, with a focus on tackling extreme heat.

This video was originally produced for the C40 World Mayors Summit 2025.

Mayor Bass shares how Los Angeles is working with partners and across levels of government around its port decarbonisation.

This video was originally produced for the C40 World Mayors Summit 2025.

Mayor Lurie shares how San Francisco is delivering more circular economy solutions, aiming to become a zero-waste city.

This video was originally produced for the C40 World Mayors Summit 2025.

Mayor Chow shares how Toronto is making its buildings more sustainable, resilient and affordable.

This video was originally produced for the C40 World Mayors Summit 2025.

Vancouver is advancing climate action with a strong focus on fairness and equity. Mayor Sim explains what steps the city is taking to provide access to affordable housing, clean energy, and walkable neighbourhoods so that the just transition lifts every community.

This video was originally produced for the C40 World Mayors Summit 2025.

Jefe de Gobierno Jorge Macri demonstrates how Buenos Aires is creating public green spaces along its riverbank that will serve as natural infrastructure for climate adaptation and mitigation while also boosting the local economy. 

This video was originally produced for the C40 World Mayors Summit 2025.

Prefeito Eduardo Pimentel encourages cities to come together on climate action, and shares how Curitiba is implementing policies to reduce emissions in transport and public housing.

This video was originally produced for the C40 World Mayors Summit 2025.

Presidenta Municipal Verónica Delgadillo showcases how Guadalajara is integrating inclusive climate action into city policies, including implementing Mexico’s first low-emission zone.

This video was originally produced for the C40 World Mayors Summit 2025.

Alcalde Federico Gutiérrez shares how Medellín is developing its circular economy through inclusive climate action. 

This video was originally produced for the C40 World Mayors Summit 2025.

Prefeito Ricardo Nunes discusses São Paulo’s increasingly ambitious and results-oriented climate action, including the city’s climate budget. 

This video was originally produced for the C40 World Mayors Summit 2025. 

Ahmedabad is delivering circular economy solutions that are reshaping how the city manages waste and supports local livelihoods. Commissioner Banchhanidhi Pani highlights how Ahmedabad is using innovative practices to  build a more sustainable future for residents 

This video was originally produced for the C40 World Mayors Summit 2025.

Commissioner Bhushan Gagrani highlights that Mumbai is the first city in India, and amongst the first cities in Asia, to implement an annual municipal climate budget. 

This video was originally produced for the C40 World Mayors Summit 2025.