Extreme environments. Extinction /
Our planet's untouched natural environments are shrinking, due to pressure from human populations. As these areas decline, the creatures adapted to live in them face a decline in numbers, and sometimes even extinction altogether. Many biologists believe that if we don't act quickly, half t...
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| Format: | Video |
| Language: | English |
| Language Notes: | In English. |
| Published: |
Geelong, Victoria :
Switch International,
2010.
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| Series: | VAST: academic video online
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| Subjects: | |
| Online Access: | Connect to this streaming video (Alexander Street Press) |
| Summary: | Our planet's untouched natural environments are shrinking, due to pressure from human populations. As these areas decline, the creatures adapted to live in them face a decline in numbers, and sometimes even extinction altogether. Many biologists believe that if we don't act quickly, half the world's species will be gone in 100 years. A report called the Living Planet Index reveals that from 1970 to 2000, populations of terrestrial and marine species dropped by 30 percent, while freshwater populations went down by a massive fifty percent. |
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| Item Description: | Title from resource description page (viewed Dec. 9, 2014). |
| Physical Description: | 1 online resource (24 min.). |
| Playing Time: | 00:23:17 |