Since the release of Jurassic Park, maxims like "extinction is forever" have taken a beating. Even though I haven't seen the movie, it's had me thinking about extinction. It's never been proven that all the ecological effects of extinction have to be permanent. When we pollute a lake or river, we have a moral obligation to try to clean it up. Why should it be any different when we drive a species extinct? Shouldn't we have the responsibility to rectify the damage, however permanent, as best we can? Introducing the next best species in an attempt to replace the void left by an ...

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