Water World • 2020 • episode "2/3" • BBC Royal Institution Christmas Lectures - Planet Earth: A User's Guide

21:16

Earth's metallic core makes the planet a huge magnet, generating a magnetic field that protects us from dangerous cosmic rays and solar energy.

S1E7 • Secrets of the Earth • 2013 • Environment

47:20

As climate change begins to feel like an impossible challenge, this documentary tells the story of the first man-made threat to the planet's environment - the hole in the ozone layer - and how the world managed to fix it. The scientists and politicians at the heart of the story reveal how they spotted the giant hole in the stratosphere and, against all odds, persuaded Ronald Reagan and Margaret Thatcher - two of the most unlikely eco-warriors in history - to take action.

2018 • Environment

52:53

Between the blue sky above and the infinite blackness beyond lies a frontier that scientists have only just begun to investigate. In "At the Edge of Space," NOVA takes viewers on a spectacular exploration of the Earth-space boundary that's home to some of nature's most puzzling and alluring phenomena: the shimmering aurora, streaking meteors, and fleeting flashes that shoot upwards from thunderclouds, known as sprites.

Environment

58:00

A look at one of the most exclusive holiday destinations in the world - Necker Island. This reveals how the rich take a holiday, and what it's like for the staff who serve them.

Environment

18:47

The global water crisis is at an inflection point. How do we price our most valuable resource, while also ensuring access to it as a human right?

S01E19 • Explained • 2018 • Environment

59:22

(PART 2) A team of experts and explorers venture into the Danakil desert in Northern Ethiopia to investigate the incredible geology of the area, and to find out how the people and their animals survive in the hottest place on earth. Kate Humble investigates how tough life is for an Afar woman; Steve Leonard wants to learn about the relationship between the Afar and their animals, and to help with animal medicine where he can; Dr Mukul Agarwal looks at the health issues faced in this most hostile of environments; earth scientist Dougal Jerram looks at the extraordinary volcanic activity of the region and the part it plays in the bigger geological picture of the Rift Valley; and biologist Richard Wiese searches for extreme life forms in the boiling soil of a massive volcanic fissure.

2/2 • The Hottest Place on Earth • 2010 • Environment