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In each episode, geologist Dr. Iain Stewart explains the effects and importance of a specific force of nature, such as wind or volcanism. He also examines the various ways in which it shapes planet earth itself and influences life on it, often in conjunction with other natural forces, and sometimes with lifeforms, as in the 'apocalyptically' grave case of global warming.

Iain Stewart
Self - Presenter

2024
2008

2009

1999

2016

2007

2019

2010

2010

2018

2018

1987

2023

2010

2010

2020

2019

2019

2020

2015