Alaska
Clip: 4/8/2026 | 1m 48sVideo has Closed Captions
CGI timelapse reveals the birth of an ecosystem in a formerly frozen region of Alaska.
Chris Morgan walks through Glacier Bay, Alaska, where a CGI timelapse unveils the birth of an ecosystem on formerly frozen land.
Problems playing video? | Closed Captioning Feedback
Problems playing video? | Closed Captioning Feedback
Alaska
Clip: 4/8/2026 | 1m 48sVideo has Closed Captions
Chris Morgan walks through Glacier Bay, Alaska, where a CGI timelapse unveils the birth of an ecosystem on formerly frozen land.
Problems playing video? | Closed Captioning Feedback
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Narration: Since I was born, the human population of the planet has doubled, while that of wild animals has fallen by 70 percent.
What has happened in these Alaskan mountains gives me hope.
♪ A few decades ago, there was nothing here.
Nothing but ice.
♪ ♪ [Birds chirping] ♪ [Crows cawing] ♪ Narration: How has nature given birth to such an abundant ecosystem so fast?
Today, I have the answer to that question.
Everyone played their part.
Including humans, who protected this land by declaring it a natural reserve.
And now the river carries the riches of the land to the sea, the leaves of the tree, the humus of the soil, the old salmon... they will nourish the creatures of the ocean and allow the cycle of life to continue.
♪ [Whale calling] ♪ ♪ ♪ ♪
- Science and Nature
Explore scientific discoveries on television's most acclaimed science documentary series.
- Science and Nature
Capturing the splendor of the natural world, from the African plains to the Antarctic ice.
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