Trees

  1. Ep 5. YouTuber Mark Rober – Planting Trees 'With Tooth Fairy Money'

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    Video caption: YouTuber Mark Rober explains how he galvanised people into planting 20 million trees.

    Former NASA and Apple engineer Mark Rober, who has millions of subscribers on his YouTube channel, reflects on galvanising a youth movement in the US, to plant 20 million trees.

  2. Planting Trees, Part 2

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    Video caption: Monica Bohm from the Zoological Society of London explains how trees support eco-systems.

    Monica Bohn, conservation scientist from the Zoological Society of London, explains how trees support eco-systems and nature.