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Royal Institution Christmas Lectures

2020: Planet Earth - A User's Guide

Engine Earth

Duration: 59 minutes

First broadcast: on BBC Four HDLatest broadcast: on BBC Four HD

Professor Chris Jackson reveals how, for billions of years, volcanic activity drove climate change on planet Earth. Now, it is humans. Show more

Royal Institution Christmas Lectures

2020: Planet Earth - A User's Guide

Water World

Duration: 59 minutes

First broadcast: on BBC FourLatest broadcast: on BBC Four HD

Dr Helen Czerski explains why the ocean is so vital to life on earth and what we need to know to be good citizens of our ocean planet. Show more

Royal Institution Christmas Lectures

2020: Planet Earth - A User's Guide

Up in the Air

Duration: 59 minutes

First broadcast: on BBC Four HDLatest broadcast: on BBC Four HD

Dr Tara Shine takes a deep breath and explores the gases that make up the air we breath. One of them might provide the answer for heating and transport in the future. Show more