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| | Sixth Extinction |
 | | The continued growth of human populations in all parts of the world daily encroaches on wild habitats, whether through the expansion of agricultural land, the building of towns and cities, or the transport infrastructure that joins them. |
 | | As I said earlier, the growth of human population worldwide is encroaching on wild habitat, both for constructing villages, towns, and cities, and the infrastructure that goes with them, and for producing food, both plants and livestock. |
 | | The documentation of known extinctions may seem to be the only way to demonstrate that we are in the midst of a biotic crisis, and this is what skeptics demand. |
| www.well.com /user/davidu/sixthextinction.html (5196 words) |
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