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TVPGAge of Humans44mSmithsonian Channel
From artificial photosynthesis to vegan diets, changes in science and behavior are helping improve Earth's air quality.
From artificial photosynthesis to vegan diets, changes in science and behavior are helping improve Earth's air quality.
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Age of Humans
S1, EP3 "Water"An examination of the Earth's freshwater supply and the ongoing challenge to maintain its quantity and quality as the planet's population soars.
Age of Humans
S1, EP2 "Air"From artificial photosynthesis to vegan diets, changes in science and behavior are helping improve Earth's air quality.
Technology has enabled scientists to trace the journey humans have taken from the origin of life on Earth to the current day.
Original Air Date: Aug 18, 2021
Rating: TVPG
Playback: HD
1 seasons available on demand
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