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/
A green upgrade for markets in Lagos 🇳🇬
The Ikosi Market Anaerobic Digester has launched. The goals? Simple.
1. Collect market waste
2. Turn it into clean energy
3. Power the community
Thank you to the UK and Nigeria for making this pilot possible: c40.me/lagos-c40-handover
The Ikosi Market Anaerobic Digester has launched. The goals? Simple.
1. Collect market waste
2. Turn it into clean energy
3. Power the community
Thank you to the UK and Nigeria for making this pilot possible: c40.me/lagos-c40-handover
February 12, 2026 at 4:21 PM
A green upgrade for markets in Lagos 🇳🇬
The Ikosi Market Anaerobic Digester has launched. The goals? Simple.
1. Collect market waste
2. Turn it into clean energy
3. Power the community
Thank you to the UK and Nigeria for making this pilot possible: c40.me/lagos-c40-handover
The Ikosi Market Anaerobic Digester has launched. The goals? Simple.
1. Collect market waste
2. Turn it into clean energy
3. Power the community
Thank you to the UK and Nigeria for making this pilot possible: c40.me/lagos-c40-handover
A $10B fraud. 2 whistleblowers. On Cities 1.5, David Miller, Managing Director of the C40 Centre and former Mayor of Toronto, speaks with Lindsay Gulden about exposing Exxon’s fraudulent ways and the disinformation playbook behind it all. https://c40.me/3OwZpHT
February 10, 2026 at 2:18 PM
A $10B fraud. 2 whistleblowers. On Cities 1.5, David Miller, Managing Director of the C40 Centre and former Mayor of Toronto, speaks with Lindsay Gulden about exposing Exxon’s fraudulent ways and the disinformation playbook behind it all. https://c40.me/3OwZpHT
That's it. That's the post.
February 9, 2026 at 12:23 PM
That's it. That's the post.
Making cities greener through rewilding projects ⬇️
February 9, 2026 at 12:22 PM
Making cities greener through rewilding projects ⬇️
February 9, 2026 at 12:21 PM
February 9, 2026 at 12:20 PM
February 9, 2026 at 12:18 PM
Jakarta's leadership shows how megacities can take action to eliminate pollution.
With the support of the UK, Jakarta is transforming its skyline through new Green Building regulations: a blueprint for systemic change and urban innovation.
c40.me/3O7Rtg8
With the support of the UK, Jakarta is transforming its skyline through new Green Building regulations: a blueprint for systemic change and urban innovation.
c40.me/3O7Rtg8
February 6, 2026 at 10:47 AM
Jakarta's leadership shows how megacities can take action to eliminate pollution.
With the support of the UK, Jakarta is transforming its skyline through new Green Building regulations: a blueprint for systemic change and urban innovation.
c40.me/3O7Rtg8
With the support of the UK, Jakarta is transforming its skyline through new Green Building regulations: a blueprint for systemic change and urban innovation.
c40.me/3O7Rtg8
We asked mayors and climate experts about how C40 helps protect the people and places we love, and what their hopes for future are.
Together with cities, we're advancing climate action around the world.
Together with cities, we're advancing climate action around the world.
February 4, 2026 at 4:18 PM
We asked mayors and climate experts about how C40 helps protect the people and places we love, and what their hopes for future are.
Together with cities, we're advancing climate action around the world.
Together with cities, we're advancing climate action around the world.
February 2, 2026 at 11:29 AM
bees returning to cities after major rewilding projects
February 2, 2026 at 11:27 AM
bees returning to cities after major rewilding projects
February 2, 2026 at 11:17 AM
February 2, 2026 at 11:06 AM
February 2, 2026 at 11:05 AM
February 2, 2026 at 11:00 AM
Political turmoil is on the rise, but cities are not giving up. The focus remains: protect the people and places we love.
Tune in to Cities 1.5 to hear from Mayor of Austin Kirk Watson & http://mayorkwilson.bsky.social/ on embracing practical, community-centred climate action: https://lnk.to/S6E2
Tune in to Cities 1.5 to hear from Mayor of Austin Kirk Watson & http://mayorkwilson.bsky.social/ on embracing practical, community-centred climate action: https://lnk.to/S6E2
January 27, 2026 at 2:15 PM
Political turmoil is on the rise, but cities are not giving up. The focus remains: protect the people and places we love.
Tune in to Cities 1.5 to hear from Mayor of Austin Kirk Watson & http://mayorkwilson.bsky.social/ on embracing practical, community-centred climate action: https://lnk.to/S6E2
Tune in to Cities 1.5 to hear from Mayor of Austin Kirk Watson & http://mayorkwilson.bsky.social/ on embracing practical, community-centred climate action: https://lnk.to/S6E2
Reposted by C40 Cities
We must end the fossil fuel era.
UN Secretary-General, António Guterres, knows this better than anyone. I want to thank him for his steadfast climate leadership and his commitment to phasing out fossil fuels. A pleasure to meet today together with C40 Cities Co-Chair, Mayor of London Sadiq Khan.
UN Secretary-General, António Guterres, knows this better than anyone. I want to thank him for his steadfast climate leadership and his commitment to phasing out fossil fuels. A pleasure to meet today together with C40 Cities Co-Chair, Mayor of London Sadiq Khan.
January 16, 2026 at 4:10 PM
We must end the fossil fuel era.
UN Secretary-General, António Guterres, knows this better than anyone. I want to thank him for his steadfast climate leadership and his commitment to phasing out fossil fuels. A pleasure to meet today together with C40 Cities Co-Chair, Mayor of London Sadiq Khan.
UN Secretary-General, António Guterres, knows this better than anyone. I want to thank him for his steadfast climate leadership and his commitment to phasing out fossil fuels. A pleasure to meet today together with C40 Cities Co-Chair, Mayor of London Sadiq Khan.
Can we design a city that benefits everyone?
S6E1 of Cities 1.5 kicks off with the mayors of Milan, Ekurhuleni, and Rotterdam & Leonora Grcheva from @doughnuteconomics.bsky.social discussing urban economies for a climate-first future: https://lnk.to/S6E1
S6E1 of Cities 1.5 kicks off with the mayors of Milan, Ekurhuleni, and Rotterdam & Leonora Grcheva from @doughnuteconomics.bsky.social discussing urban economies for a climate-first future: https://lnk.to/S6E1
January 14, 2026 at 10:35 AM
Can we design a city that benefits everyone?
S6E1 of Cities 1.5 kicks off with the mayors of Milan, Ekurhuleni, and Rotterdam & Leonora Grcheva from @doughnuteconomics.bsky.social discussing urban economies for a climate-first future: https://lnk.to/S6E1
S6E1 of Cities 1.5 kicks off with the mayors of Milan, Ekurhuleni, and Rotterdam & Leonora Grcheva from @doughnuteconomics.bsky.social discussing urban economies for a climate-first future: https://lnk.to/S6E1
Hands up if you want even more good climate news in 2026 🙋
January 12, 2026 at 11:44 AM
Hands up if you want even more good climate news in 2026 🙋
🚫 A global crisis requires global courage - not a federal retreat.
President Trump's decision to withdraw from the UNFCCC and 65 international agreements is more than a policy shift; it is a reckless abandonment of global responsibilities that puts every American at risk.
President Trump's decision to withdraw from the UNFCCC and 65 international agreements is more than a policy shift; it is a reckless abandonment of global responsibilities that puts every American at risk.
January 9, 2026 at 5:01 PM
🚫 A global crisis requires global courage - not a federal retreat.
President Trump's decision to withdraw from the UNFCCC and 65 international agreements is more than a policy shift; it is a reckless abandonment of global responsibilities that puts every American at risk.
President Trump's decision to withdraw from the UNFCCC and 65 international agreements is more than a policy shift; it is a reckless abandonment of global responsibilities that puts every American at risk.
Manifesting a greener, fairer 2026 for all ✨
January 5, 2026 at 1:00 PM
Manifesting a greener, fairer 2026 for all ✨
Coming soon: the new series of Cities 1.5 podcast.
From discussing the urban transformations we need, to tackling disinformation - subscribe to the Cities 1.5 podcast today to not miss an episode.
https://lnk.to/CitiesS6Trailer
From discussing the urban transformations we need, to tackling disinformation - subscribe to the Cities 1.5 podcast today to not miss an episode.
https://lnk.to/CitiesS6Trailer
Cities 1.5
Season 6: Trailer
lnk.to
December 30, 2025 at 5:50 PM
Coming soon: the new series of Cities 1.5 podcast.
From discussing the urban transformations we need, to tackling disinformation - subscribe to the Cities 1.5 podcast today to not miss an episode.
https://lnk.to/CitiesS6Trailer
From discussing the urban transformations we need, to tackling disinformation - subscribe to the Cities 1.5 podcast today to not miss an episode.
https://lnk.to/CitiesS6Trailer
At the World Mayors Summit, mayors shared their innovative solutions to fight the climate crisis and showed what’s possible through collaboration. ✨ 💫
@london.gov.uk @nicholasreece.bsky.social
@london.gov.uk @nicholasreece.bsky.social
December 29, 2025 at 5:03 PM
At the World Mayors Summit, mayors shared their innovative solutions to fight the climate crisis and showed what’s possible through collaboration. ✨ 💫
@london.gov.uk @nicholasreece.bsky.social
@london.gov.uk @nicholasreece.bsky.social
'Tis the season to watch some iconic films 🎄
December 24, 2025 at 10:22 AM
'Tis the season to watch some iconic films 🎄
300 mayors. 50 sessions. 1 shared purpose. To protect the people and places we love.
At the World Mayors Summit in Rio, mayors shared how they are delivering results in their cities.
At the World Mayors Summit in Rio, mayors shared how they are delivering results in their cities.
December 22, 2025 at 4:09 PM
300 mayors. 50 sessions. 1 shared purpose. To protect the people and places we love.
At the World Mayors Summit in Rio, mayors shared how they are delivering results in their cities.
At the World Mayors Summit in Rio, mayors shared how they are delivering results in their cities.