Quote:
Originally Posted by Chris
A re-advance of the ice could conceivably begin within my lifetime but it is more likely not to occur for tens of thousands of years. I don't know about you, but I don't expect to be around by then. As far as everyone alive today is concerned, and all their descendants for thousands of generations, what we do, or fail to do, over the next 25 years, may cause climate change that is irreversible.
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Also either of those scenarios could be quite a problem for human life. Ultimately the earth is, in time, gonna be fine. However the same cannot be said for the life on it. Hence concerns that we could have more extreme weather conditions and in some areas of the world an increasingly inhospitable environment causing mass migrations and instability.