Read more about the article Earth: The Power of the Planet episode 5 – Rare Earth
Earth: The Power of the Planet episode 5 - Rare Earth
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Earth: The Power of the Planet episode 5 – Rare Earth

Earth: The Power of the Planet episode 5 - Rare Earth: Life on Earth prospers because it enjoys the right amount of heat from the sun, and the atmosphere prevents meteorite bombardment. Geography series with Dr Iain Stewart.     Our planet is unique within the solar system. Four-and-a-half billion years ago it had a twin named Theia which was absorbed into the Earth, increasing its gravity and allowing it to form an atmosphere. Iain travels to Meteor Crater in…

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Read more about the article Earth: The Power of the Planet episode 4 – Oceans
Earth: The Power of the Planet episode 4 - Oceans
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  • Reading time:3 mins read

Earth: The Power of the Planet episode 4 – Oceans

Earth: The Power of the Planet episode 4 - Oceans: Iain travels to surfers' paradise Hawaii to learn more about oceans, explaining the difference between waves, tides and currents. In the Amazon, he rides the world's longest tidal bore. In the beginning, there were no oceans: they are thought to have gradually formed from volcano steam and melted comet ice.     Change continues today: a new sea is forming in Ethiopia, which will separate East Africa from the mainland,…

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Read more about the article A Perfect Planet episode 5 – Humans
A Perfect Planet episode 5 - Humans
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  • Reading time:2 mins read

A Perfect Planet episode 5 – Humans

A Perfect Planet episode 5 - Humans are changing our planet so rapidly, it’s affecting earth’s life support systems: our weather, our oceans and the living world.   Fullscreen   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.   A Perfect Planet episode 5 - Humans   Humans (Homo sapiens) are a species of highly intelligent…

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Read more about the article A Perfect Planet episode 4 – Oceans
A Perfect Planet episode 4 - Oceans
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  • Reading time:2 mins read

A Perfect Planet episode 4 – Oceans

A Perfect Planet episode 4 - Oceans: There are not five separate oceans, but one. Its waters linked by powerful forces that keep them on the move. This constant mixing is vital for the health of oceans and marine life.     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.   A Perfect Planet episode 4…

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Read more about the article The End of the Line
The End of the Line
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  • Reading time:2 mins read

The End of the Line

The End of the Line: As the world's demand for fish and other seafood increases and the technology available to commercial fisherman becomes more sophisticated, the annual harvest from global seaports has grown tremendously in recent years. However, the rise of industrialised fishing has not come without consequences, and many environmentalists and oceanographers believe that the current demand for fish and the methods used to fulfill it are taking an irreparable toll on the world's oceans, with some speculating that…

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