Matthew Gyves

Oceans is an eight-part series on BBC Two, which seeks to provide a better understanding of the state of the Earth's oceans today, their role in the past, present and future and their significance in global terms. Paul Rose also documents some of the scientific observations his team made as a feature for BBC News.

Dr Iain Stewart tells the story of how Earth works and how, over the course of 4.6 billion years, it came to be the remarkable place it is today.