C40 Cities
@c40cities.bsky.social
A global network of city mayors delivering urgent climate solutions. Protecting the people and places we love. 🌳🌍🌆💚
http://www.c40.org/
http://www.c40.org/
As #COP30 negotiations call for strengthened climate resilience, cities are already leading the way.
From Lagos to Freetown, bold, local action is already happening. See how C40 Cities and @danishmfa.bsky.social are supporting this vital work 🎥 ⬇️
From Lagos to Freetown, bold, local action is already happening. See how C40 Cities and @danishmfa.bsky.social are supporting this vital work 🎥 ⬇️
November 11, 2025 at 10:00 AM
As #COP30 negotiations call for strengthened climate resilience, cities are already leading the way.
From Lagos to Freetown, bold, local action is already happening. See how C40 Cities and @danishmfa.bsky.social are supporting this vital work 🎥 ⬇️
From Lagos to Freetown, bold, local action is already happening. See how C40 Cities and @danishmfa.bsky.social are supporting this vital work 🎥 ⬇️
Climate action can't wait. At #COP30 in Belém, cities are showing how they're leading the way to protect the people and places we love.
C40 Co-Chairs Mayor of Freetown Yvonne Aki-Sawyerr and Mayor of London Sadiq Khan have joined global mayors in announcing their yearly offers of action at #WMS25.
C40 Co-Chairs Mayor of Freetown Yvonne Aki-Sawyerr and Mayor of London Sadiq Khan have joined global mayors in announcing their yearly offers of action at #WMS25.
November 10, 2025 at 7:09 PM
“COP30 will be the COP of truth.” - @lulaoficialbluesky.bsky.social
Cities know disinformation is one of the key obstacles to climate action - so it's great to see it at the top of #COP30's agenda.
Cities know disinformation is one of the key obstacles to climate action - so it's great to see it at the top of #COP30's agenda.
November 10, 2025 at 5:28 PM
“COP30 will be the COP of truth.” - @lulaoficialbluesky.bsky.social
Cities know disinformation is one of the key obstacles to climate action - so it's great to see it at the top of #COP30's agenda.
Cities know disinformation is one of the key obstacles to climate action - so it's great to see it at the top of #COP30's agenda.
🚨BREAKING: #COP30 President André Corrêa do Lago opens COP highlighting the role of cities 🏙️
"Subnational entities play a central role in implementing the decisions made at COPs. To stop climate change, multilateralism is unquestionably the way forward.”
"Subnational entities play a central role in implementing the decisions made at COPs. To stop climate change, multilateralism is unquestionably the way forward.”
November 10, 2025 at 3:16 PM
🚨BREAKING: #COP30 President André Corrêa do Lago opens COP highlighting the role of cities 🏙️
"Subnational entities play a central role in implementing the decisions made at COPs. To stop climate change, multilateralism is unquestionably the way forward.”
"Subnational entities play a central role in implementing the decisions made at COPs. To stop climate change, multilateralism is unquestionably the way forward.”
As #COP30 opens in Belém, the message from mayors and local leaders is clear: we are ready to help national governments go further and faster. Only together can we meet the challenge of the climate crisis.
@mayoroflondon.bsky.social @eduardopaesoficial.bsky.social @annehidalgo.bsky.social
@mayoroflondon.bsky.social @eduardopaesoficial.bsky.social @annehidalgo.bsky.social
November 10, 2025 at 1:00 PM
As #COP30 opens in Belém, the message from mayors and local leaders is clear: we are ready to help national governments go further and faster. Only together can we meet the challenge of the climate crisis.
@mayoroflondon.bsky.social @eduardopaesoficial.bsky.social @annehidalgo.bsky.social
@mayoroflondon.bsky.social @eduardopaesoficial.bsky.social @annehidalgo.bsky.social
Here is the message to #COP30 from mayors and local leaders from all over the world - and what we need to move from negotiation to action.
November 10, 2025 at 8:32 AM
Here is the message to #COP30 from mayors and local leaders from all over the world - and what we need to move from negotiation to action.
BREAKING: UN Secretary-General António Guterres receives local leaders' statement at #COP30 World Leaders Summit
It's a declaration of support from cities, towns & regions to national govts to advance climate solutions, and a call to strengthen partnerships to close the gap on global climate goals.
It's a declaration of support from cities, towns & regions to national govts to advance climate solutions, and a call to strengthen partnerships to close the gap on global climate goals.
November 8, 2025 at 5:30 PM
BREAKING: UN Secretary-General António Guterres receives local leaders' statement at #COP30 World Leaders Summit
It's a declaration of support from cities, towns & regions to national govts to advance climate solutions, and a call to strengthen partnerships to close the gap on global climate goals.
It's a declaration of support from cities, towns & regions to national govts to advance climate solutions, and a call to strengthen partnerships to close the gap on global climate goals.
Copenhagen is building a cleaner future.
Lord Mayor Lars Weiss has committed that from 2026, all new municipal projects will meet low-emission standards, cutting construction carbon by about 20%.
#WMS25
Lord Mayor Lars Weiss has committed that from 2026, all new municipal projects will meet low-emission standards, cutting construction carbon by about 20%.
#WMS25
November 7, 2025 at 6:00 PM
Copenhagen is building a cleaner future.
Lord Mayor Lars Weiss has committed that from 2026, all new municipal projects will meet low-emission standards, cutting construction carbon by about 20%.
#WMS25
Lord Mayor Lars Weiss has committed that from 2026, all new municipal projects will meet low-emission standards, cutting construction carbon by about 20%.
#WMS25
"Mayors, we get the job done" ⭐
Meet the local leaders taking real climate action, defying populist governments who dismiss and deny science.
Meet the local leaders taking real climate action, defying populist governments who dismiss and deny science.
November 7, 2025 at 4:30 PM
"Mayors, we get the job done" ⭐
Meet the local leaders taking real climate action, defying populist governments who dismiss and deny science.
Meet the local leaders taking real climate action, defying populist governments who dismiss and deny science.
Climate action means restoring nature in our cities.
In Wuhan, the city has committed to restoring Xibeihu Lake and transforming unused spaces into green gardens using sustainable practices like composting, enhancing the urban ecosystem for all.
#WMS25
In Wuhan, the city has committed to restoring Xibeihu Lake and transforming unused spaces into green gardens using sustainable practices like composting, enhancing the urban ecosystem for all.
#WMS25
November 7, 2025 at 4:00 PM
Climate action means restoring nature in our cities.
In Wuhan, the city has committed to restoring Xibeihu Lake and transforming unused spaces into green gardens using sustainable practices like composting, enhancing the urban ecosystem for all.
#WMS25
In Wuhan, the city has committed to restoring Xibeihu Lake and transforming unused spaces into green gardens using sustainable practices like composting, enhancing the urban ecosystem for all.
#WMS25
Building a more inclusive, climate-resilient Tshwane.
Over the next year, Executive Mayor Dr. Nasiphi Moya has pledged to revitalise vulnerable areas through tree planting, clean-up drives and urban greening to build a safer, cooler Tshwane.
#WMS25
Over the next year, Executive Mayor Dr. Nasiphi Moya has pledged to revitalise vulnerable areas through tree planting, clean-up drives and urban greening to build a safer, cooler Tshwane.
#WMS25
November 7, 2025 at 2:00 PM
Building a more inclusive, climate-resilient Tshwane.
Over the next year, Executive Mayor Dr. Nasiphi Moya has pledged to revitalise vulnerable areas through tree planting, clean-up drives and urban greening to build a safer, cooler Tshwane.
#WMS25
Over the next year, Executive Mayor Dr. Nasiphi Moya has pledged to revitalise vulnerable areas through tree planting, clean-up drives and urban greening to build a safer, cooler Tshwane.
#WMS25
Santiago is planting seeds of climate resilience.
Governor of the Metropolitan Region of Santiago de Chile, Claudio Benjamin Orrego, has committed to transforming urban spaces with 33 new pocket forests, bringing natural cooling and cleaner air to neighbourhoods that need it most.
#WMS25
Governor of the Metropolitan Region of Santiago de Chile, Claudio Benjamin Orrego, has committed to transforming urban spaces with 33 new pocket forests, bringing natural cooling and cleaner air to neighbourhoods that need it most.
#WMS25
November 7, 2025 at 12:00 PM
Santiago is planting seeds of climate resilience.
Governor of the Metropolitan Region of Santiago de Chile, Claudio Benjamin Orrego, has committed to transforming urban spaces with 33 new pocket forests, bringing natural cooling and cleaner air to neighbourhoods that need it most.
#WMS25
Governor of the Metropolitan Region of Santiago de Chile, Claudio Benjamin Orrego, has committed to transforming urban spaces with 33 new pocket forests, bringing natural cooling and cleaner air to neighbourhoods that need it most.
#WMS25
Amman is accelerating green transport and smart waste management.
His Excellency, Dr. Yousef Al-Shawarbeh, Mayor of Amman has pledged to add new zero-emission buses and expand city-wide waste separation systems to create a greener, more circular economy.
#WMS25
His Excellency, Dr. Yousef Al-Shawarbeh, Mayor of Amman has pledged to add new zero-emission buses and expand city-wide waste separation systems to create a greener, more circular economy.
#WMS25
November 7, 2025 at 10:00 AM
Amman is accelerating green transport and smart waste management.
His Excellency, Dr. Yousef Al-Shawarbeh, Mayor of Amman has pledged to add new zero-emission buses and expand city-wide waste separation systems to create a greener, more circular economy.
#WMS25
His Excellency, Dr. Yousef Al-Shawarbeh, Mayor of Amman has pledged to add new zero-emission buses and expand city-wide waste separation systems to create a greener, more circular economy.
#WMS25
Nanjing is building a future that’s both green and resilient.
The city has pledged that every new building that's part of its Sponge City project will meet green standards to make the city more resilient to climate risks.
#WMS25
The city has pledged that every new building that's part of its Sponge City project will meet green standards to make the city more resilient to climate risks.
#WMS25
November 7, 2025 at 8:00 AM
Nanjing is building a future that’s both green and resilient.
The city has pledged that every new building that's part of its Sponge City project will meet green standards to make the city more resilient to climate risks.
#WMS25
The city has pledged that every new building that's part of its Sponge City project will meet green standards to make the city more resilient to climate risks.
#WMS25
Barcelona is investing directly in community climate resilience.
Mayor http://jaumecollboni.bsky.social/ has pledged to use tourist tax to protect some of the city's most vulnerable residents from extreme heat, for example by installing solar panels and cooling systems in schools.
#WMS25
Mayor http://jaumecollboni.bsky.social/ has pledged to use tourist tax to protect some of the city's most vulnerable residents from extreme heat, for example by installing solar panels and cooling systems in schools.
#WMS25
November 6, 2025 at 8:00 PM
Barcelona is investing directly in community climate resilience.
Mayor http://jaumecollboni.bsky.social/ has pledged to use tourist tax to protect some of the city's most vulnerable residents from extreme heat, for example by installing solar panels and cooling systems in schools.
#WMS25
Mayor http://jaumecollboni.bsky.social/ has pledged to use tourist tax to protect some of the city's most vulnerable residents from extreme heat, for example by installing solar panels and cooling systems in schools.
#WMS25
Local leadership is powering global climate progress.
Congratulations to @bloombergdotorg.bsky.social Local Leaders Climate Awards winners, C40 cities Boston, Oslo, São Paulo, Beijing, Rio, Salvador, Quezon City & Sofia (Breathe Cities).
@eduardopaesoficial.bsky.social @ricardonunes15.bsky.social
Congratulations to @bloombergdotorg.bsky.social Local Leaders Climate Awards winners, C40 cities Boston, Oslo, São Paulo, Beijing, Rio, Salvador, Quezon City & Sofia (Breathe Cities).
@eduardopaesoficial.bsky.social @ricardonunes15.bsky.social
November 6, 2025 at 6:36 PM
Local leadership is powering global climate progress.
Congratulations to @bloombergdotorg.bsky.social Local Leaders Climate Awards winners, C40 cities Boston, Oslo, São Paulo, Beijing, Rio, Salvador, Quezon City & Sofia (Breathe Cities).
@eduardopaesoficial.bsky.social @ricardonunes15.bsky.social
Congratulations to @bloombergdotorg.bsky.social Local Leaders Climate Awards winners, C40 cities Boston, Oslo, São Paulo, Beijing, Rio, Salvador, Quezon City & Sofia (Breathe Cities).
@eduardopaesoficial.bsky.social @ricardonunes15.bsky.social
The future of urban transport is electric and accessible to all.
Mayor Carola Schouten has pledged to drastically expand Rotterdam's charging network with new charging points and specialised hubs for port freight, powering a cleaner city.
#WMS25
Mayor Carola Schouten has pledged to drastically expand Rotterdam's charging network with new charging points and specialised hubs for port freight, powering a cleaner city.
#WMS25
November 6, 2025 at 6:00 PM
The future of urban transport is electric and accessible to all.
Mayor Carola Schouten has pledged to drastically expand Rotterdam's charging network with new charging points and specialised hubs for port freight, powering a cleaner city.
#WMS25
Mayor Carola Schouten has pledged to drastically expand Rotterdam's charging network with new charging points and specialised hubs for port freight, powering a cleaner city.
#WMS25
Building the sustainable cities of tomorrow starts today.
Mayor of Athens Haris Doukas has pledged to launch a network of air quality stations, deploy sanitation vehicles and upgrade 300 schools for energy efficiency.
#WMS25
Mayor of Athens Haris Doukas has pledged to launch a network of air quality stations, deploy sanitation vehicles and upgrade 300 schools for energy efficiency.
#WMS25
November 6, 2025 at 3:00 PM
Building the sustainable cities of tomorrow starts today.
Mayor of Athens Haris Doukas has pledged to launch a network of air quality stations, deploy sanitation vehicles and upgrade 300 schools for energy efficiency.
#WMS25
Mayor of Athens Haris Doukas has pledged to launch a network of air quality stations, deploy sanitation vehicles and upgrade 300 schools for energy efficiency.
#WMS25
Quito pledges bold climate action.
Mayor Pabel Muñoz has pledged to plant 100,000 native trees, build new water treatment facilities and introduce electric buses to make Quito a greener city.
#WMS25
Mayor Pabel Muñoz has pledged to plant 100,000 native trees, build new water treatment facilities and introduce electric buses to make Quito a greener city.
#WMS25
November 6, 2025 at 12:00 PM
Quito pledges bold climate action.
Mayor Pabel Muñoz has pledged to plant 100,000 native trees, build new water treatment facilities and introduce electric buses to make Quito a greener city.
#WMS25
Mayor Pabel Muñoz has pledged to plant 100,000 native trees, build new water treatment facilities and introduce electric buses to make Quito a greener city.
#WMS25
Dalian is building a safer, cleaner future.
The city has pledged to replace over 1,000 buses with electric models and launch a new climate protection plan to fight pollution and improve livability.
#WMS25
The city has pledged to replace over 1,000 buses with electric models and launch a new climate protection plan to fight pollution and improve livability.
#WMS25
November 6, 2025 at 10:00 AM
Dalian is building a safer, cleaner future.
The city has pledged to replace over 1,000 buses with electric models and launch a new climate protection plan to fight pollution and improve livability.
#WMS25
The city has pledged to replace over 1,000 buses with electric models and launch a new climate protection plan to fight pollution and improve livability.
#WMS25
Shenzhen is scaling up action on air quality.
The city has committed to expanding the city's new energy vehicle fleet from 1.44 million to over 1.7 million by 2026. This will reduce pollution and improve air quality for all residents.
#WMS25
The city has committed to expanding the city's new energy vehicle fleet from 1.44 million to over 1.7 million by 2026. This will reduce pollution and improve air quality for all residents.
#WMS25
November 6, 2025 at 8:00 AM
Shenzhen is scaling up action on air quality.
The city has committed to expanding the city's new energy vehicle fleet from 1.44 million to over 1.7 million by 2026. This will reduce pollution and improve air quality for all residents.
#WMS25
The city has committed to expanding the city's new energy vehicle fleet from 1.44 million to over 1.7 million by 2026. This will reduce pollution and improve air quality for all residents.
#WMS25
“Cities and regions will keep leading the way forward.” - @michaelrbloomberg.bsky.social
Over 3 days of #WMS25, 300+ mayors reaffirmed their unwavering commitment to fighting the climate crisis & made it clear that real on-the-ground solutions are essential to protect the people and places we love.
Over 3 days of #WMS25, 300+ mayors reaffirmed their unwavering commitment to fighting the climate crisis & made it clear that real on-the-ground solutions are essential to protect the people and places we love.
November 5, 2025 at 9:18 PM
“Cities and regions will keep leading the way forward.” - @michaelrbloomberg.bsky.social
Over 3 days of #WMS25, 300+ mayors reaffirmed their unwavering commitment to fighting the climate crisis & made it clear that real on-the-ground solutions are essential to protect the people and places we love.
Over 3 days of #WMS25, 300+ mayors reaffirmed their unwavering commitment to fighting the climate crisis & made it clear that real on-the-ground solutions are essential to protect the people and places we love.
At the city-business roundtable, @mark--watts.bsky.social and María Mendiluce @wemeanbusiness.bsky.social spoke to how local partnerships can lead to real progress.
The mayors of Tshwane and Oslo shared how working with businesses drives tangible results in the places where people live and work.
The mayors of Tshwane and Oslo shared how working with businesses drives tangible results in the places where people live and work.
November 5, 2025 at 8:20 PM
At the city-business roundtable, @mark--watts.bsky.social and María Mendiluce @wemeanbusiness.bsky.social spoke to how local partnerships can lead to real progress.
The mayors of Tshwane and Oslo shared how working with businesses drives tangible results in the places where people live and work.
The mayors of Tshwane and Oslo shared how working with businesses drives tangible results in the places where people live and work.
It was also announced that the @bloombergdotorg.bsky.social Youth Climate Action Fund, which supports young people to design and deliver climate solutions in their communities, will expand to 300 cities worldwide. 🎉
November 5, 2025 at 7:38 PM
It was also announced that the @bloombergdotorg.bsky.social Youth Climate Action Fund, which supports young people to design and deliver climate solutions in their communities, will expand to 300 cities worldwide. 🎉
“We do this for our today, we do this for our tomorrow, and we will do this together.”
Youth activists from London, Freetown, and Vanuatu shared this message at #WMS25, spotlighting their work with cities and mayors to deliver powerful climate action on the ground.
Youth activists from London, Freetown, and Vanuatu shared this message at #WMS25, spotlighting their work with cities and mayors to deliver powerful climate action on the ground.
November 5, 2025 at 7:38 PM
“We do this for our today, we do this for our tomorrow, and we will do this together.”
Youth activists from London, Freetown, and Vanuatu shared this message at #WMS25, spotlighting their work with cities and mayors to deliver powerful climate action on the ground.
Youth activists from London, Freetown, and Vanuatu shared this message at #WMS25, spotlighting their work with cities and mayors to deliver powerful climate action on the ground.