51³Ô¹ÏÍø

Ecology: Barry Commoner's Viewpoint - part 28 of 33. This unique introduction to the study of ecology features one of America's most outspoken biologists. Dr. Barry Commoner explains technology's threat to the environment by describing four principles of - 4K stock video

1970s: man with binoculars in forest. Man looks up at tree canopy. Man sets up tree study area. Bark beetle damage to tree. Fungus in forest
1970s: man with binoculars in forest. Man looks up at tree canopy. Man sets up tree study area. Bark beetle damage to tree. Fungus in forest
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Credit:
Encyclopaedia Britannica Films
51³Ô¹ÏÍø #:
1458110889
License type:
Rights-ready
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Archive Films: 51³Ô¹ÏÍø
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3840 x 2160 px - 3 GB
Clip length:
00:00:32:15
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United States
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Editorial use
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Not released
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QuickTime 10-bit ProRes 422 (HQ) 4K 3840x2160 24p
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