A Perfect Planet

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BBC One Cambridgeshire

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Factual: Science & Nature: Nature & Environment

Exploring the great forces of nature that support, drive and enable life on earth.

Our planet is one in a billion. How incredible, awe-inspiring life is driven by its natural forces - and how we can ensure humans become a force for good. With David Attenborough.

Series 1

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David Attenborough

Ed Charles

Huw Cordey

Alastair Fothergill

Keith Scholey

Jenni Collie

A Perfect Planet: Series 1: Oceans

Oceans

BBC One - A Perfect Planet, Series 1, Oceans

How Earth's five oceans connect to form the largest ecosystem on the planet.

How Earth's five oceans connect to form the largest ecosystem on the planet, and how its network of currents supports the health of the seas and marine wildlife.

Oceans are the largest ecosystem on earth, covering two thirds of our world’s surface and providing half the oxygen in our atmosphere. They are home to as much as 80 per cent of all life on earth, and nearly three billion people rely on them for their primary source of food.

But our planet’s oceans would be little more than stagnant wastelands, and life on earth - not just in the oceans - would cease to exist, were it not for one simple factor: a global network of powerful currents. Every drop of seawater on earth rides these currents, taking 1,000 years to complete a single circuit. Without the constant mixing of currents, tides and waves, our oceans would stop supporting life - and a healthy ocean is vital to a healthy planet.

A Perfect Planet: Series 1

BBC One

Exploring the great forces of nature that support, drive and enable life on Earth.

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A Perfect Planet

Series 1

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