From now on, the inhabitants of Tokyo are stepping out of line, they are demanding other models for their concrete city. The yearning for nature has become central; it will cause the metamorphosis of the city. Naturalists, architects, citizens, artists and politicians are all already working to create a green megacity. They remember that a century ago, Tokyo was called edo. It was then the largest garden city in the world, a model of ecology before the letter, of balance with nature. Nostalgia for this world stimulates minds, accelerates changes to one day become a "smart city": a symbiotic city that reconciles nature and sustainable energy.

The Serie : “Naturopolis” will dive into the heart of some of the most original urban ideas, those that might ensure the success of a human-created ecosystem. Here lies the great challenge of the 21st century.