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#33
01-16-2011, 03:10 AM
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Earth is a polluted wasteland. Most species couldn't survive there even if they were introduced.
Some plants from Pandora, such as the aforementioned ones, have unique qualities that Earth does do not which could be used to undo some of the damage. There's a difference between 'colonisation by foreign wildlife' and use of biological controls, which are done today with great success.
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