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Greta Thunberg: A Year to Change the World

Athabasca Glacier

Season 1 Episode 1 | 4m 25s

Greta joins Professor John Pomeroy and his team who have been studying the Athabasca Glacier. Greta learns that rising temperatures as well as soot from forest fires have caused the glacier to melt faster than the models suggest.

Extras
Watch • 8:32
Nature
NATURE - Season 45
Get a sneak peek at a brand new season of NATURE on PBS.
Preview: S45 | 8:32
Watch • 0:30
Made With Love
Season 1 Preview
Meet gifted artisans who pour passion and skill into timeless products made with love.
Preview: S1 | 0:30
Watch • 2:04
POV
Trailer | Remake
Trailer for Remake by director Ross McElwee.
Preview: S39 E6 | 2:04
Watch • 1:50
POV
Trailer | Arrest the Midwife
Trailer for Arrest the Midwife by director Elaine Epstein.
Preview: S39 E5 | 1:50
Watch • 2:37
American Masters
Mary Oliver: Saved by the Beauty of the World
Celebrate the life and career of Pulitzer Prize-winning poet Mary Oliver.
Preview: S40 E5 | 2:37
Watch • 2:57
POV
Trailer | How to Build a Library
Trailer for How to Build a Library by directors Maia Lekow and Christopher King.
Preview: S39 E4 | 2:57
Watch • 1:12
Great Performances
Onegin’s Arioso from "Eugene Onegin"
Iurii Samoilov sings an excerpt from the title character’s Act III arioso.
Clip: S53 E24 | 1:12
Daniel Tiger's Neighborhood
Jodi Makes Art in the Sky
Jodi imagines she is drawing bugs and clouds in the sky with her crayons!
Clip: S8 E2 | 0:54
Daniel Tiger's Neighborhood
Daniel and Prince Wednesday At the Swingset
Prince Wednesday learns to ask before he pushes Daniel on the swings.
Clip: S8 E2 | 1:28
Daniel Tiger's Neighborhood
"Before You Touch Someone, Ask if It's Okay" Song
Everyone learns that before you touch someone, you should ask them if it's okay!
Clip: S8 E2 | 1:03
Latest Episodes
Watch • 54:21
Greta Thunberg: A Year to Change the World
Episode 3
Join Greta to investigate potential solutions to limit climate change.
Episode: S1 E3 | 54:21
Watch • 54:21
Greta Thunberg: A Year to Change the World
Episode 1
Greta witnesses the impacts of climate change first-hand at three key locations.
Episode: S1 E1 | 54:21
Watch • 54:00
Greta Thunberg: A Year to Change the World
Episode 2
Greta travels to Switzerland, Poland and the UK, where she meets Sir David Attenborough.
Episode: S1 E2 | 54:00