James Lovelock
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Unlocking the mysteries of the earth

4 April 2014 Last updated at 09:03 BST

James Lovelock is the 94 year old scientist behind the Gaia hypothesis, which claims that the earth is a self regulating, single organism.

He has evolved his theory over 35 years and is now publishing Rough Ride to the Future .

The BBC's Nick Higham talked to him about what he believes the future holds.

More Meet The Author interviews.

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