They're places for people.

In the decades to come, 75 percent of the world's population will live in cities, and 50 of those cities will be of 10 million people or more.

Most people live in urban areas.

living in cities or within a day's travel of one.

Just from the perspective of climate change, the average urban dweller in the U.S. has about one third the carbon footprint of the average suburban dweller, mostly because suburbanites drive a lot more, and living in detached buildings, you have that much more exterior surface to leak energy out of.

Another problem unhealthy food systems and unemployment.

College graduates are not in short supply.

There are more people living in towns and cities.

We go there for stimulation in art and all those other things.

And this isn't some suburban iPhone using teen phenomenon.

We can see in different types of communities that the results are quite different.

This is an inhabited city.

More than 90 of India's working population works in the informal economy.

The birds were able to jump from one to the other.

So we have a model in potential, an emerging model that we're looking for of how to take the cities most of us live in, and turn them into Bright Green cities.

The substance of things unseen.

I plan to stay in the city.

I plan to live in the city.

I plan on living in the city.

Right in the city can be divided into these two arenas, and then, in post 19th century, cities divided into 2 poles so we've got the core of the city and the periphery of the city.

This is a map of Stockholm, my hometown.

That's a, kind of a one on one thing.

The part between 700 and 1,000m high is the urban area.

And not surprisingly, given the human population growth, more than half of the human population is living in cities now.

This is the main street of this city.

We live in a big city.

What really makes a city are the inhabitants that live in it.

We made, I think, about a dozen trips to Bangalore, Mumbai, Gurgaon,

Yokohama is a city where more than three million people live.

We are not alone the animals are moving in.

In order to provide the kind of energy that it would take for eight billion people living in cities that are even somewhat like the cities that those of us in the global North live in today, we would have to generate an absolutely astonishing amount of energy.

Do you live in the city?

Nope.

Suicide is pretty common among City boys.

City

City

It's not enough, new sources of energy.

The flu struck the metropolitan area.

But, what I want to describe to you quickly, is just how the city works.

So here's a business plan that simply does not make any sense.

Every trip you took In every city you went, A woman died in a bathtub.

Post Second World War, the influence of the automobile has really been devastating in a lot of our cities.

City simulation game

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