The disadvantages of a decentralized, spread out urban area are tremendous, and the environmental damage of urban sprawl cannot be ignored. As a large city, Tokyo must be used more efficiently and the population density increased.

The world has entered a new era, evolving from an industrial into a knowledge-based society, and into a society that wants to live in harmony with nature.

By using vertical space more effectively, you not only make more room for greenery but shorter commutes also mean less pressure on CO2 emission problems and by freeing up time now spent on unproductive commuter trains, people would have more options in their lives.

I believe my concepts are more than just business, they are about our culture.

To implement a true urban renaissance, you first need a Grand Design elaborated by strong leadership .