Earth - Season 1 Episode 3 Green
Chris Packham tells the miraculous story of how plant life turned Earth from a barren rock into a vibrant green world - a four-billion year saga of extraordinary highs and lows that almost wiped out all life on the planet. Beginning as a water world without land masses, a giant asteroid bombardment triggered Earth's plate tectonics, leading to huge fungi, soil and giant swamp forests. But the early plants locked so much carbon dioxide that global temperatures suddenly plunged.
- Genre: Documentary
- Studio: BBC Two
- Keyword: astronomy, geology, nature documentary, planet earth, documentary, geological disaster, science documentary
- Cast: Chris Packham
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