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Extended Preview

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2:50
Episode 1

Episode 1

Season 1 Episode 1
54:21
Episode 2

Episode 2

Season 1 Episode 2
54:00
Episode 3

Episode 3

Season 1 Episode 3
54:21
Athabasca Glacier

Athabasca Glacier

Video
4:25
Episode 5: The Calling

The Calling

Season 4 Episode 5
53:05
When Whales Could Walk

When Whales Could Walk

Season 51 Episode 1
53:31
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Greta Thunberg: A Year to Change the World

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Travel with the world’s best-known climate activist as she takes her fight to a global stage. With unique access, the series follows Greta Thunberg over an extraordinary year as she embarks on a mission to ensure world leaders work to limit global warming.

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Episode 3
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54:21
Join Greta to investigate potential solutions to limit climate change.
Episode 2
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54:00
Greta travels to Switzerland, Poland and the UK, where she meets Sir David Attenborough.
Episode 1
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54:21
Greta witnesses the impacts of climate change first-hand at three key locations.
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