In each episode, Dr. Iain Stewart, a geologist, talks about the effects and importance of a different natural force, like wind or volcanism. He also looks at how it changes the earth and the life on it, often in concert with other natural forces and sometimes with life forms, as in the "apocalyptically" bad case of global warming.
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In each episode, Dr. Iain Stewart, a geologist, talks about the effects and importance of a different natural force, like wind or volcanism. He also looks at how it changes the earth and the life on it, often in concert with other natural forces and sometimes with life forms, as in the "apocalyptically" bad case of global warming.
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