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Has Earth's Sixth Mass Extinction Already Arrived?

Animals  (tags: Earth, Extinction, Animals, Species, Tigers )

- 2969 days ago -
With the steep decline in populations of many animal species, from frogs and fish to tigers, some scientists have warned that Earth is on the brink of a mass extinction like those that occurred only five times before during the past 540 million years.


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Andrea Nemec (213)
Monday March 7, 2011, 3:38 am
Noted! Very disturbing article!

Fiona Ogilvie (562)
Monday March 7, 2011, 5:02 am
Noted and thanks for the posting, Nancy. I have no doubt that we will experience back to back mass extinctions. We destory so much habitat. Many species will be challenged by climate change.

Cindy C (125)
Monday March 7, 2011, 12:01 pm
oh no its so scary for them awww

Marian D (57)
Tuesday March 8, 2011, 6:21 am

cristiana t (10)
Tuesday March 8, 2011, 6:27 am
what a news!

Vanessa B (1)
Tuesday March 8, 2011, 12:25 pm
Very upsetting. But again, how much of this has been forced/crated by Humans?

Shirley S (187)
Tuesday March 8, 2011, 11:18 pm
Something to ponder.

pam w (139)
Wednesday March 9, 2011, 8:07 am
There's absolutely no question that we've contributed to this. We've poisoned every part of the environment and destroyed thousands of important species.

Philip Heinlein (474)
Wednesday March 9, 2011, 7:13 pm
Most definitely it has arrived... we've been in it for some time. Habitat loss, pollution, toxic chemicals like DDT, all have contributed.
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