Quote:
Originally Posted by EonBlue
Because we know for certain that glaciations have happened many times in the past, at regular intervals, during the current ice age we are in.
We don't know for certain that man is causing global warming, if man is even capable of causing global warming or if man is capable of doing anything to mitigate global warming even if he wanted to.
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We don't need to know it for certain to make decisions about it, I already said that future is always uncertain, but we still have to make decisions. Humans are definitely able to cause global warming, cooling, or whatever, provided that sun doesn't die, etc. We have huge impact on conditions and life on Earth. Although often not with the way we want.