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Planet Earth Under ThreatEpisodes

  1. The Future

    8/10The final part of the series exploring how climate change is affecting the natural world.

  2. Conservation - Embracing Change

    7/10How will conservation react to change in wildlife behaviour caused by climate change?

  3. The Earth and the Irascible Ape

    6/10Gabrielle Walker discovers how the Earth has warmed before and how that affected the world

  4. The Conundrum of Biodiversity

    5/10Gabrielle Walker finds out how global warming is changing the natural world.

  5. Ice

    4/10Gabrielle is in the Arctic to see how the melt back of the ice is a sign of things to come