BBC Royal Institution Christmas Lectures - Planet Earth A User's Guide (2020) Part 2 Water World

The hidden wonders of Earth and the impact of human activity.

Part 2 Water World

Dr Helen Czerski reveals how shifting ocean water distributes heat and nutrients around the Earth. This process is linked to almost every aspect of human existence, and the lecture explores how dependent we are on the ocean for weather, food supply and connection between land masses - as well as exploring what needs to be done by humans to maintain this vital element of the Earth's ecosystem.

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