Extras

    Video thumbnail: Ozone Hole: How We Saved the Planet Discovering the Ozone Hole

    Ozone Hole: How We Saved the Planet

    Discovering the Ozone Hole

    Jonathan Shanklin discovers the ozone hole over the Antarctic.

    Discovering the Ozone Hole

    Video thumbnail: Ozone Hole: How We Saved the Planet The World Takes Action

    Ozone Hole: How We Saved the Planet

    The World Takes Action

    How the Montreal Protocol agreement was finalized.

    The World Takes Action

    Video thumbnail: Ozone Hole: How We Saved the Planet Preview

    Ozone Hole: How We Saved the Planet

    Preview

    The remarkable story of the deadly hole in the ozone layer - and how we managed to fix it.

    Preview

    Video thumbnail: Ozone Hole: How We Saved the Planet Apocalypse Avoided

    Ozone Hole: How We Saved the Planet

    Apocalypse Avoided

    Computer Models at NASA showing World Predicted versus World Avoided.

    Apocalypse Avoided