
Chapter 1
The end of trash
Chapter 2
Nature as the ultimate designer
Chapter 3
Designing out the waste
Chapter 4
Cities of the future
Ch 4 · Cities of the future
kaiyull CopenHill
Skiing on the trash, skiing on the trash! We spin the waste into heat in a flash!

kaiyull Explore how circular food supply chains can feed cities, reduce waste, and build a healthier, more resilient green economy in this visual infographic.
Fun Fact
Rwanda's plastic ban: In Rwanda, smuggling plastic bags can lead to heavy fines, helping make Kigali one of Africa's cleanest cities.

kaiyull Explore how Rwanda's ban on plastic waste drives a green economy and circular supply chain, building a healthier, more resilient environment.
Glossary
circular city (noun)
An urban area designed to minimize waste and maximize resource utility through continuous recycling and regeneration. By 2030, global urban populations will reach five billion, driving the urgent need for sustainable metropolitan hubs.
An urban area designed to minimize waste and maximize resource utility through continuous recycling and regeneration. By 2030, global urban populations will reach five billion, driving the urgent need for sustainable metropolitan hubs.

BETA
kaiyull Play Tiny Loop Town, an educational game about building a green economy and circular supply chains for healthier, more resilient future cities.
Quiz
Which African capital city is widely recognized as one of the cleanest due to strict plastic bans?
Quiz
Which city became the first to officially adopt the "Doughnut Economics" model in 2020?