TED: Planet City -- a sci-fi vision of an astonishing regenerative future | Liam Young

The video explores the concept of Planet City, an imaginary city designed for 10 billion people, as a thought experiment to address climate change and urbanization. It discusses speculative worldbuilding, the Half Earth proposal, and the design of Planet City, emphasizing sustainability and rewilding. The video highlights existing technologies that could support such a city and encourages viewers to envision a future where humanity lives in harmony with nature.

What role do renewable energy and agriculture play in the vision of Planet City?

How can the concept of Planet City challenge our current urbanization practices?

In what ways does the speaker suggest we can visualize our possible futures through the idea of Planet City?