The extinction crisis
Clip: Season 4 Episode 37 | 6m 11sVideo has Closed Captions
A new study is re-evaluating the extinction of thousands of animal and plant species.
A new study is re-evaluating the extinction of thousands of animal and plant species. Leading this project is Columbia University professor and biologist Don Melnik. He joins Hari Sreenivasan to explain why he believes current extinction estimates are vastly underestimated.
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SciTech Now is a local public television program presented by WLIW PBS
The extinction crisis
Clip: Season 4 Episode 37 | 6m 11sVideo has Closed Captions
A new study is re-evaluating the extinction of thousands of animal and plant species. Leading this project is Columbia University professor and biologist Don Melnik. He joins Hari Sreenivasan to explain why he believes current extinction estimates are vastly underestimated.
Problems playing video? | Closed Captioning Feedback
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The Data behind our changing climate
Video has Closed Captions
Clip: S4 Ep37 | 5m 31s | The Data behind our changing climate. (5m 31s)
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Clip: S4 Ep37 | 6m 55s | Biologists at Lenoir-Rhyne University are using GPS and tracking technology on Birds. (6m 55s)
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Clip: S4 Ep37 | 3m 20s | A new planetarium experience at the Liberty Science Center. (3m 20s)
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