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I am not a scientist.  My opinion on the subject doesn't matter.  As one person, what I do has a statistically irrelevant impact on things, if human beings do.  I personally am not sure about it, based on the amount of info I waded through trying to understand this.  On a personal level, I have far more pressing matter.  Since I don't have any kids, I don't have a strong concern about the future for anyone close to me.

And with this, I give a reply that really deflates the discussion, but so be it.