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Let's talk about Reinventing Cities!

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22 September 2026, 9:00-10:30
New York Climate Action Week – Youth Leaders Reimagining Cities
Register now!
Nairobi Living Markets Design competition launched
In partnership with ICLEI Africa and NowNow
Presentazione del bando Ex Caserma Stamoto e del progetto di riqualificazione Ex Caserma Perotti
Reinventing Cities Bologna
Scopri i dettagli dell'evento e partecipa
5 August 2026
Students Reinventing Cities concludes its fifth edition with strong global participation
Reflecting on a year of youth innovation
Nearly 700 students developed 160 proposals across 10 participating cities to tackle real urban challenges and shape greener, more thriving neighbourhoods
30 June 2026
The Architect’s Blues
UIA World Congress Highlights
A Recap of the C40 Cities Session at UIA 2026
24 June 2026
London Climate Action Week – Where housing meets climate
Cities and partners shared approaches to delivering housing and climate action together through sustainable urban regeneration
Tuesday, 30 June 2026, 16h30–18h00 (local time)
UIA World Congress – C40 Session
The Architect’s Blues Event
Register to join the event!
Wednesday, 24 June 2026, 11h00-12h00 (BST)
London Climate Action Week 2026 – C40 Event
Where Housing Meets Climate
Register to join the event!
21 May 2026
Open House Event: ARIA Ex Macello Project

26 May 2026, 11h00-13h00 (local time)
Reinventing Cities Portugalete (Metropolitan Bilbao) | Meet-up Event
Ancient Food Market Competition Launch
Key Highlights
New cities launch Reinventing Cities competitions
Four urban sites invite proposals for sustainable projects in Bologna, Bilbao Metropolitan and Belo Horizonte
Bologna (Italy), Belo Horizonte (Brazil), and Portugalete Metropolitan Bilbao (Spain), invite multidisciplinary teams to propose innovative, zero-carbon and climate-resilient and inclusive projects to transform underutilised urban sites
Students visit the Maria Droste Neighborhood in Lisbon
Students Reinventing Cities 5 – Lisbon site in competition
Students explore urban challenges at Lisbon’s Maria Droste site
Students visit the Trumbull Park Homes in Chicago
Students Reinventing Cities 5 – Chicago's site in competition
Students explore climate challenges at Chicago’s Trumbull Park Homes
Students visit the Pantelimon-Fundeni Neighbourhood
Students Reinventing Cities 5 – Bucharest site in competition
Students visit Bucharest competition site
22 & 23 April 2026
Training: Designing Green and Thriving Neighbourhoods
Students Reinventing Cities
Training for participating teams
Launched: Jameel C40 x Minecraft Education - Schools Reinventing Amman
The Mayor of Amman has officially launched Schools Reinventing Amman 2026, a collaboration between C40 Cities, Community Jameel & Minecraft Education
Wednesday, 8 April 2026
Amman Launch Webinar | Students Reinventing Cities
Online via Zoom
Calling all students and young people!
Thursday, April 2, 2026 at 11:00 (local time)
Reinventing Cities Montréal: Finalists Announcement
2 April 2026
Find out the Finalists | Découvrez les Finalistes
Friday, 6 March, 2026 | 2:00 PM (Jakarta)
Jakarta Launch Webinar | Students Reinventing Cities
Online via Zoom
Calling all students and young people!
Rome Launch Webinar | Students Reinventing Cities
Recording available
Calling all students and young people!
Thursday, 26 February, 2026 | 3:00 PM (Lisbon)
Lisbon Launch Webinar | Students Reinventing Cities
Recording available
Calling all students and young people!
Bucharest Launch Webinar | Students Reinventing Cities
Online via Zoom
Calling all students and young people!
Tuesday, 24 February, 2026 | 1:00 PM (Lagos)
Lagos Launch Webinar | Students Reinventing Cities
Recording available
Calling all students and young people!
Thursday, 26 February, 2026 | 10:00 AM (Nairobi)
Nairobi Launch Webinar | Students Reinventing Cities
Recording available
Calling all students and young people!
Chicago Launch Webinar | Students Reinventing Cities
Recording available
Calling all students and young people!
Thursday, 26 February, 2026 | 4:00 PM (Bogotá)
Bogotá Launch Webinar | Students Reinventing Cities
Recording available
Calling all students and young people!
Barcelona Launch Webinar | Students Reinventing Cities
Online via Zoom
Calling all students and young people!
Reinventing Cities Italy: Italian State Property Agency announces winning projects in Venice and Bologna
4 December 2025
Launch Webinar: Competition Information Session
5th edition of Students Reinventing Cities
WATCH THE RECORDING!
4 November 2025
Driving Urban Regeneration: Uniting Capital, Cities and Communities
C40’s event at the Smart City Expo World Congress 2025
16 September 2025
Haleco: Montréal’s first Reinventing Cities project reaches new milestone
Montreal’s Bâtiment durable Québec’s 2025–2026
11 November 2025
Winners Announced: Youth Vision for Green & Thriving Neighbourhoods Challenge
In partnership with Ove Arup Foundation
Thursday 21 August, 2025, 10-11:30am (UTC+03:00)
Amman Students Reinventing Cities Final Result Ceremony - 2025
Amman Celebrates Winners of the Fourth Students Reinventing Cities
Jakarta’s Students Reinventing Cities Winners Celebration
Jakarta celebrates winners of the Fourth Students Reinventing Cities
Spotlight | Reinventing Cities Flagship projects in Milan
Youth Vision for Green & Thriving Neighbourhoods | A creative challenge by C40 & the Ove Arup Foundation
Deadline (EXTENDED): 1 September 2025
An opportunity for young changemakers to shape the future of urban life. Submit your vision by September 1st 2025.
22 September 2026, 9:00-10:30
New York Climate Action Week – Youth Leaders Reimagining Cities
Register now!
5 August 2026
Students Reinventing Cities concludes its fifth edition with strong global participation
Reflecting on a year of youth innovation
Nearly 700 students developed 160 proposals across 10 participating cities to tackle real urban challenges and shape greener, more thriving neighbourhoods
Tuesday, 30 June 2026, 16h30–18h00 (local time)
UIA World Congress – C40 Session
The Architect’s Blues Event
Register to join the event!
26 May 2026, 11h00-13h00 (local time)
Reinventing Cities Portugalete (Metropolitan Bilbao) | Meet-up Event
Ancient Food Market Competition Launch
Key Highlights
Students visit the Trumbull Park Homes in Chicago
Students Reinventing Cities 5 – Chicago's site in competition
Students explore climate challenges at Chicago’s Trumbull Park Homes
Launched: Jameel C40 x Minecraft Education - Schools Reinventing Amman
The Mayor of Amman has officially launched Schools Reinventing Amman 2026, a collaboration between C40 Cities, Community Jameel & Minecraft Education
Friday, 6 March, 2026 | 2:00 PM (Jakarta)
Jakarta Launch Webinar | Students Reinventing Cities
Online via Zoom
Calling all students and young people!
Bucharest Launch Webinar | Students Reinventing Cities
Online via Zoom
Calling all students and young people!
Chicago Launch Webinar | Students Reinventing Cities
Recording available
Calling all students and young people!
Reinventing Cities Italy: Italian State Property Agency announces winning projects in Venice and Bologna
16 September 2025
Haleco: Montréal’s first Reinventing Cities project reaches new milestone
Montreal’s Bâtiment durable Québec’s 2025–2026
Jakarta’s Students Reinventing Cities Winners Celebration
Jakarta celebrates winners of the Fourth Students Reinventing Cities
Nairobi Living Markets Design competition launched
In partnership with ICLEI Africa and NowNow
30 June 2026
The Architect’s Blues
UIA World Congress Highlights
A Recap of the C40 Cities Session at UIA 2026
Wednesday, 24 June 2026, 11h00-12h00 (BST)
London Climate Action Week 2026 – C40 Event
Where Housing Meets Climate
Register to join the event!
New cities launch Reinventing Cities competitions
Four urban sites invite proposals for sustainable projects in Bologna, Bilbao Metropolitan and Belo Horizonte
Bologna (Italy), Belo Horizonte (Brazil), and Portugalete Metropolitan Bilbao (Spain), invite multidisciplinary teams to propose innovative, zero-carbon and climate-resilient and inclusive projects to transform underutilised urban sites
Students visit the Pantelimon-Fundeni Neighbourhood
Students Reinventing Cities 5 – Bucharest site in competition
Students visit Bucharest competition site
Wednesday, 8 April 2026
Amman Launch Webinar | Students Reinventing Cities
Online via Zoom
Calling all students and young people!
Rome Launch Webinar | Students Reinventing Cities
Recording available
Calling all students and young people!
Tuesday, 24 February, 2026 | 1:00 PM (Lagos)
Lagos Launch Webinar | Students Reinventing Cities
Recording available
Calling all students and young people!
Thursday, 26 February, 2026 | 4:00 PM (Bogotá)
Bogotá Launch Webinar | Students Reinventing Cities
Recording available
Calling all students and young people!
4 December 2025
Launch Webinar: Competition Information Session
5th edition of Students Reinventing Cities
WATCH THE RECORDING!
11 November 2025
Winners Announced: Youth Vision for Green & Thriving Neighbourhoods Challenge
In partnership with Ove Arup Foundation
Spotlight | Reinventing Cities Flagship projects in Milan
Presentazione del bando Ex Caserma Stamoto e del progetto di riqualificazione Ex Caserma Perotti
Reinventing Cities Bologna
Scopri i dettagli dell'evento e partecipa
24 June 2026
London Climate Action Week – Where housing meets climate
Cities and partners shared approaches to delivering housing and climate action together through sustainable urban regeneration
21 May 2026
Open House Event: ARIA Ex Macello Project

Students visit the Maria Droste Neighborhood in Lisbon
Students Reinventing Cities 5 – Lisbon site in competition
Students explore urban challenges at Lisbon’s Maria Droste site
22 & 23 April 2026
Training: Designing Green and Thriving Neighbourhoods
Students Reinventing Cities
Training for participating teams
Thursday, April 2, 2026 at 11:00 (local time)
Reinventing Cities Montréal: Finalists Announcement
2 April 2026
Find out the Finalists | Découvrez les Finalistes
Thursday, 26 February, 2026 | 3:00 PM (Lisbon)
Lisbon Launch Webinar | Students Reinventing Cities
Recording available
Calling all students and young people!
Thursday, 26 February, 2026 | 10:00 AM (Nairobi)
Nairobi Launch Webinar | Students Reinventing Cities
Recording available
Calling all students and young people!
Barcelona Launch Webinar | Students Reinventing Cities
Online via Zoom
Calling all students and young people!
4 November 2025
Driving Urban Regeneration: Uniting Capital, Cities and Communities
C40’s event at the Smart City Expo World Congress 2025
Thursday 21 August, 2025, 10-11:30am (UTC+03:00)
Amman Students Reinventing Cities Final Result Ceremony - 2025
Amman Celebrates Winners of the Fourth Students Reinventing Cities
Youth Vision for Green & Thriving Neighbourhoods | A creative challenge by C40 & the Ove Arup Foundation
Deadline (EXTENDED): 1 September 2025
An opportunity for young changemakers to shape the future of urban life. Submit your vision by September 1st 2025.

All events...

Filter by :
22 September 2026, 9:00-10:30
New York Climate Action Week – Youth Leaders Reimagining Cities
Register now!
30 June 2026
The Architect’s Blues
UIA World Congress Highlights
A Recap of the C40 Cities Session at UIA 2026
21 May 2026
Open House Event: ARIA Ex Macello Project

Thursday, April 2, 2026 at 11:00 (local time)
Reinventing Cities Montréal: Finalists Announcement
2 April 2026
Find out the Finalists | Découvrez les Finalistes
4 December 2025
Launch Webinar: Competition Information Session
5th edition of Students Reinventing Cities
WATCH THE RECORDING!
4 November 2025
Driving Urban Regeneration: Uniting Capital, Cities and Communities
C40’s event at the Smart City Expo World Congress 2025
Date: Thursday, October 23, 2025
Reinventing Cities Montréal - Additional information session
23 October 2025
Second information session of Reinventing Montréal 2025–2026!
16 September 2025
Haleco: Montréal’s first Reinventing Cities project reaches new milestone
Montreal’s Bâtiment durable Québec’s 2025–2026
Thursday 21 August, 2025, 10-11:30am (UTC+03:00)
Amman Students Reinventing Cities Final Result Ceremony - 2025
Amman Celebrates Winners of the Fourth Students Reinventing Cities
Thursday 20 March, 11AM Quito time
Quito Launch Webinar | Students Reinventing Cities
Online via Zoom
Watch the webinar recording here!
Tuesday 18 March, 11.30AM Amman time
Launch Event | Jameel C40 Students Reinventing Cities Challenge, Amman
Online via Zoom & in-person
Watch the recording of the webinar on Tuesday, 18 March, to learn how you can transform Amman Southern Gate!
Thursday 6 March, 12PM SAST
Johannesburg Launch Webinar | Students Reinventing Cities
Online via Zoom
Watch the recording from the webinar on Thursday 6 March!
Thursday 27 February 1PM Barcelona time
Barcelona Launch Event | Students Reinventing Cities
In-person and online
Watch the recording from the webinar on Thursday 27 February!
2025/02/25
Rome Launch Webinar | Students Reinventing Cities
Online via Zoom (ITA)
Grazie per aver partecipato al webinar di presentazione del sito Tufello Vigne Nuove!
Tuesday 25 February, 3PM Istanbul time
Istanbul Launch Webinar | Students Reinventing Cities
Online via Zoom
Watch the recording from the webinar on Tuesday 25 February!
2025/02/24
Milan-Segrate Webinar | Students Reinventing Cities
Online via Zoom (ITA)
Grazie per aver partecipato al webinar di presentazione del sito Marconi a Milano-Segrate!
Monday 24 February, 2PM Freetown time
Freetown Launch Webinar | Students Reinventing Cities
Online via Zoom
Watch the webinar recording here!
Wednesday 19 February, 2PM Jakarta time
Jakarta Launch Webinar | Students Reinventing Cities
Online via Zoom
Watch the recording of the webinar on Wednesday 19 February!
Thursday 13 February, 4-5PM (Tshwane time)
Tshwane Webinar | Students Reinventing Cities
Online via Zoom
Watch the recording from Thursday 13 February, 4-5PM!
Wednesday 12 February, 10-11.30AM (Lisbon time)
Lisbon Webinar & Site Visit| Students Reinventing Cities
Online via Zoom
Watch the webinar recording and join the site visit!
December 2024
Press Release: Krause Wins the Competition in Phoenix
Read the City's press release and what the Mayor's perspective!
Discover the finalist teams
LionCity II | Announcement of Finalists
Brussels, Belgium
Check out the finalists for LionCity II here!
Tuesday 3 December 2024
Buenos Aires winners present to the city | Students Reinventing Cities
The winning team in Buenos Aires presented their winning project, ‘Circular Paternal’, to the Buenos Aires City Government, in the presence of the Undersecretary of Urban Landscape, Juan Vacas, and the Director General of Multilateral Cooperation, Nerio Pace.
Monday 25 November 2024, 18.30-20.30PM CEST
Reinventing Cities Bilbao | Meet-up Event
Txakoli Simón, Bilbao
Learn more about the C40 Reinventing Cities Bilbao site in competition, Venerable Priests Residence!
Thursday 21 November 2 PM GMT
New competition launched & webinar | Students Reinventing Cities
C40 has launched the fourth edition of Students Reinventing Cities to engage the next generation of professionals in city climate action and sustainable design practices.
22 September 2026, 9:00-10:30
New York Climate Action Week – Youth Leaders Reimagining Cities
Register now!
Thursday, April 2, 2026 at 11:00 (local time)
Reinventing Cities Montréal: Finalists Announcement
2 April 2026
Find out the Finalists | Découvrez les Finalistes
Date: Thursday, October 23, 2025
Reinventing Cities Montréal - Additional information session
23 October 2025
Second information session of Reinventing Montréal 2025–2026!
Thursday 20 March, 11AM Quito time
Quito Launch Webinar | Students Reinventing Cities
Online via Zoom
Watch the webinar recording here!
Thursday 27 February 1PM Barcelona time
Barcelona Launch Event | Students Reinventing Cities
In-person and online
Watch the recording from the webinar on Thursday 27 February!
2025/02/24
Milan-Segrate Webinar | Students Reinventing Cities
Online via Zoom (ITA)
Grazie per aver partecipato al webinar di presentazione del sito Marconi a Milano-Segrate!
Thursday 13 February, 4-5PM (Tshwane time)
Tshwane Webinar | Students Reinventing Cities
Online via Zoom
Watch the recording from Thursday 13 February, 4-5PM!
Discover the finalist teams
LionCity II | Announcement of Finalists
Brussels, Belgium
Check out the finalists for LionCity II here!
Thursday 21 November 2 PM GMT
New competition launched & webinar | Students Reinventing Cities
C40 has launched the fourth edition of Students Reinventing Cities to engage the next generation of professionals in city climate action and sustainable design practices.
30 June 2026
The Architect’s Blues
UIA World Congress Highlights
A Recap of the C40 Cities Session at UIA 2026
4 December 2025
Launch Webinar: Competition Information Session
5th edition of Students Reinventing Cities
WATCH THE RECORDING!
16 September 2025
Haleco: Montréal’s first Reinventing Cities project reaches new milestone
Montreal’s Bâtiment durable Québec’s 2025–2026
Tuesday 18 March, 11.30AM Amman time
Launch Event | Jameel C40 Students Reinventing Cities Challenge, Amman
Online via Zoom & in-person
Watch the recording of the webinar on Tuesday, 18 March, to learn how you can transform Amman Southern Gate!
2025/02/25
Rome Launch Webinar | Students Reinventing Cities
Online via Zoom (ITA)
Grazie per aver partecipato al webinar di presentazione del sito Tufello Vigne Nuove!
Monday 24 February, 2PM Freetown time
Freetown Launch Webinar | Students Reinventing Cities
Online via Zoom
Watch the webinar recording here!
Wednesday 12 February, 10-11.30AM (Lisbon time)
Lisbon Webinar & Site Visit| Students Reinventing Cities
Online via Zoom
Watch the webinar recording and join the site visit!
Tuesday 3 December 2024
Buenos Aires winners present to the city | Students Reinventing Cities
The winning team in Buenos Aires presented their winning project, ‘Circular Paternal’, to the Buenos Aires City Government, in the presence of the Undersecretary of Urban Landscape, Juan Vacas, and the Director General of Multilateral Cooperation, Nerio Pace.
21 May 2026
Open House Event: ARIA Ex Macello Project

4 November 2025
Driving Urban Regeneration: Uniting Capital, Cities and Communities
C40’s event at the Smart City Expo World Congress 2025
Thursday 21 August, 2025, 10-11:30am (UTC+03:00)
Amman Students Reinventing Cities Final Result Ceremony - 2025
Amman Celebrates Winners of the Fourth Students Reinventing Cities
Thursday 6 March, 12PM SAST
Johannesburg Launch Webinar | Students Reinventing Cities
Online via Zoom
Watch the recording from the webinar on Thursday 6 March!
Tuesday 25 February, 3PM Istanbul time
Istanbul Launch Webinar | Students Reinventing Cities
Online via Zoom
Watch the recording from the webinar on Tuesday 25 February!
Wednesday 19 February, 2PM Jakarta time
Jakarta Launch Webinar | Students Reinventing Cities
Online via Zoom
Watch the recording of the webinar on Wednesday 19 February!
December 2024
Press Release: Krause Wins the Competition in Phoenix
Read the City's press release and what the Mayor's perspective!
Monday 25 November 2024, 18.30-20.30PM CEST
Reinventing Cities Bilbao | Meet-up Event
Txakoli Simón, Bilbao
Learn more about the C40 Reinventing Cities Bilbao site in competition, Venerable Priests Residence!
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