Brent Toderian: This is really important. The main thing that makes it hard to achieve nature and green integrated in cities isn’t density of buildings or density of people — it's density of cars. And the more well-designed density of people and buildings that you achieve, the fewer cars you’ll need or want.

This is really important. The main thing that makes it hard to achieve nature and green integrated in cities isn’t density of buildings or density of people — it's density of cars. And the more well-designed density of people and buildings that you achieve, the fewer cars you’ll need or want.