That's the size of Africa.

The Thompsons live on a farm just outside Nyack.

Tracton, New Jersey.

We must feed three billion people in cities.

The short answer is, actually, they're from Japan.

What would happen if a garden city is combined with community business?

And up in the sun, you have a single layer of apartments that combine all the splendors of a suburban lifestyle,

Third, adapting to rising seas.

The substance of things unseen.

Commerce led to the development of cities.

City

City

The city has rapidly expanded recently.

And that urbanization is extraordinary, accelerated pace.

Principal industry farming.

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And it was a series of semi independent city states, if that sounds remotely familiar, a day's walk from one another where everyone was basically farming mad, and grew vegetables in their back gardens, and ate communal meals together, and so on.

And traffic planners all around the world have tried

Many people work in industrial towns.

They developed

She's been preying on ships and settlements for ten years.

We lived on farms and then we lived in cities, and now we're going to live on the Internet!

When times are hard, people have to do things for themselves, and right across the world, Oxford, Omaha, Omsk, you can see an extraordinary explosion of urban farming, people taking over land, taking over roofs, turning barges into temporary farms.

We studied the biota, the ancient biota, the current farming and the protocols.

They give off a lot of heat into the atmosphere, and for some of you may understand the heat island effect in cities, where the urban areas are much more warm than the adjacent rural areas, but we also have problems that, when we lose power, we can't open a window here, and so the buildings are uninhabitable and have to be made vacant until that air conditioning system can start up again.

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

A city?

Wait a minute... It is a myth?

The city is most famous for its automobile industry.

It's not enough, new sources of energy.

Here's another example from technology agriculture.

Agriculture.

His house is on the skirts of the city.

The big opportunity to reduce greenhouse gas emissions is actually in urbanizing the suburbs.

Utsunomiya

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A single idea from the human mind... can build cities.

College graduates are not in short supply.

The transition from farm life to city life is often difficult.

There I learned different things.