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Why Trees Are Living Climate Records

Season 47 Episode 1

Trees have an environmental record etched into their very wood.

Trees are living records of Earth’s climatic past. Play NOVA’s Polar Lab to learn how trees grow by simulating how they respond to different environments.

AIR DATE 2/3/20

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Why Trees Are Living Climate Records
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Why Trees Are Living Climate Records
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How Earth’s Climate Changed Over the Past 500 Million Years
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Fifty Million Years Ago, the Arctic Was a Warm Swamp
Fifty Million Years Ago, the Arctic Was a Warm Swamp
How Carbon Dioxide Warms Planet Earth
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What’s Causing Greenland’s Biggest Glacier to Melt?
This Canadian Cave Has Been Frozen Since the Last Ice Age
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Broadcast Dates
  • #5207 - Revolutionary War Weapons | New
    Wednesday, Apr 9 at 8pm TPT 2
  • #5207 - Revolutionary War Weapons | New
    Wednesday, Apr 9 at 8pm TPT 2
  • #5207 - Revolutionary War Weapons |
    Thursday, Apr 10 at 2am TPT 2
  • #5207 - Revolutionary War Weapons |
    Thursday, Apr 10 at 2am TPT 2
  • #5207 - Revolutionary War Weapons |
    Sunday, Apr 13 at 8pm TPT LIFE
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