Global Urban Lab

Global Urban Lab The Global Urban Lab is a communication and action platform, from TU Delft staff and students working

26/09/2025

Is Chongqing, China, pioneering the future of waste-free cities ?

In 2019, China’s Ministry of Ecology and Environment launched a bold experiment: the “Waste-Free City” initiative.

The vision? Transform urban life so that waste is no longer an inevitable by-product, but a valuable resource in a circular economy.

Among the first 16 cities chosen for this pilot was Chongqing—a megacity of over 30 million people perched on the banks of the Yangtze.

A city this vast could easily drown in its own waste. Instead, Chongqing decided to reinvent how waste is seen, sorted, and used.

♻️ Here’s how they did it:

1. Building an Integrated Waste System

Waste is no longer an afterthought. From digital tracking of garbage trucks to smart bins that guide households on how to sort their waste, every step of the process is monitored. Separate streams for food scraps, recyclables, hazardous waste, and residuals ensure nothing gets lost in the shuffle.

2. Turning Waste into Wealth

Chongqing’s eco-industrial parks are where the magic happens. By-products from one factory fuel another. Construction debris becomes a mine for valuable materials. Partnerships with local industries power waste-to-energy plants and materials recovery facilities.

3. Engaging the People Who Make It Work

No system works without people. That’s why Chongqing invested heavily in public campaigns, incentives, and education.

Households get guidance through apps, communities rely on volunteers to spot bad disposal habits, and behavioural change is treated as seriously as infrastructure.

🛠️ Governance Behind the Scenes

At the city level, waste-free governance is treated like urban infrastructure. Multiple agencies coordinate, special funds support low-carbon innovation, and green finance tools unlock investment. It’s not just an environmental project; it’s an economic growth engine.

🌱 The Payoff?

- Less reliance on landfills.
- Significant drops in carbon emissions.
- New jobs in recycling, eco-design, and green services.

🚀 Lessons for Other Cities

Chongqing shows us that the future of waste management isn’t just about bins and trucks. It’s about data-driven governance, community participation, and treating waste policy as industrial strategy.

The result? A city that’s not only cleaner, but smarter, more resilient, and more prosperous.

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As World Habitat Day approaches - on 6 October - we reflect on the state of towns and cities, and on the basic right of all to adequate shelter.

Join the livestream, post your events or take part in one, search "World Habitat Day".

27/09/2022

Have you taken part in the Rethink the City MOOC?
The Rethink the City team wants to hear from you! 👇

The most powerful, simple and trusted way to gather experience data. Start your journey to experience management and try a free account today.

08/09/2022

YOUR CHANCE TO GET PUBLISHED!

Have you completed a run of Rethink the City? We want to hear from you! Selected entries will be published in the Open Access Rethink the City book!

If you want your voices to be heard, take a few minutes to fill in this short questionnaire: https://qfreeaccountssjc1.az1.qualtrics.com/jfe/form/SV_2n5qjQCY9jwwyrQ

As always, if you have any questions please reach out to [email protected], or send us a direct message.

With love,
the Rethink the City team

10/07/2022

How do you plan future cities? Explore alternative theories and innovative solutions for urban challenges in the Global South.

06/07/2022

How do you plan future cities? Explore alternative theories and innovative solutions for urban challenges in the global south.

The Rethink the City MOOC has launched! Registration below:
25/01/2022

The Rethink the City MOOC has launched! Registration below:

The new run of Rethink the City: New Approaches to Local and Global Challenges has officially been LAUNCHED!

Register for our course on urban development in the context of the Global South here: https://www.edx.org/course/rethink-the-city-new-approaches-to-global-and-lo-2

You'll join a cohort of students from around the globe, passionate to learn more about spatial justice, resilience strategies and how to tackle the pressing issue of housing.

The course is SELF-PACED - and, in the name of open access, completely free. Join us today to how we tackle today's urban issues.

17/12/2021

Do you care about housing issues? What about spatial justice? Transitions to more sustainable cities? Do you care for the representation of the Global South?

could be the course for you. As part of TU Delft's DelftX, this part-time course covers the basics of issues surrounding urbanization in the Global South.

The next run launches on 10 January 2022.

Plus, registration and participation is completely free!

More info below:
https://www.edx.org/course/rethink-the-city-new-approaches-to-global-and-lo-2

I just changed my profile picture on Facebook to include a badge against disinformation. I am doing this because I recen...
06/08/2021

I just changed my profile picture on Facebook to include a badge against disinformation. I am doing this because I recently found out a dear friend, whom I respect and cherish, is an anti-vaxxer, and is clearly influenced by misinformation she has been seeing on Internet. You may think: well everybody is entitled to their own opinions, and indeed they are!...

I just changed my profile picture on Facebook to include a badge against disinformation. I am doing this because I recently found out a dear friend, whom I respect and cherish, is an anti-vaxxer, a…

Interested in   and   cities? Check out the Professional Certificate offered by TU Delft on the edX platform. 3 online c...
28/06/2021

Interested in and cities? Check out the Professional Certificate offered by TU Delft on the edX platform.

3 online courses covering , and , spread across the topics of architecture, urbanism, policy & more.

Try it out today

Learn about today’s urban challenges and how architecture and urban design can be used to tackle inequality and socio-economic segregation, and to promote more inclusive and sustainable cities.

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