You have to wonder why people will get all upset about climate change when all they are comparing to is maybe a few hundred years of recorded history. Heck, often not even that. Maybe just what they know of their memory within their own lifetimes. We just passed a milestone of a 26,000 year cycle on December 21. What was the global climate like on this planet the last time that happened? What external influences can be acted against this planet that we don't have a clue about? I don't believe anyone can make a convincing argument that the earth HAS to stay the same as we remember it within our lifetimes, much less over millennia and certainly changes have been happening LONG before mankind could have possibly had a hand in influencing those changes.
It's much like the limited lifespans of ants in an ant mound in a desert wash expecting their place in the world to remain exactly the same sunny weather, day to day, until the first big thunderstorm comes along and washes their mound away. An event that might not happen at all within the lifetimes of those ants, but last happened several of their generations ago.
We are no different in the big scheme of things in this universe. And just like those ants, there are things that we can do absolutely nothing about, even if we knew it was coming.
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