No one seems to know the answer for sure though on what the cause is.
I think this is the point, SWALKER. Since no one knows what the cause is, how do we know for sure that reducing emissions will help the situation? If it won't, we will spend countless billions of dollars (because the costs will be passed to the consumer) repairing something that wasn't broken to begin with.
On most issues, you and I would probably agree as far as Bush goes. However, I heard him say he will not sign any agreements regarding global warming or its supposed causes until he knows for sure that (1) there is global warming, (2) what the cause is, and (3) that the agreement signed will address the actual cause as a solution to the problem.
This seems reasonable to me. Otherwise, we would be casting about in the dark on finding a solution. I can show a direct correlation between the frequency of metallic fleck embedded paints being used on autmobiles and global warming. I can show the same correlation with the quantity of asphalt being used in road construction. And concrete usage. And steel manufaturing. And greenhouse gas emissions. And the quantity/variety of signals being broadcast on earth.
However, I cannot show a correlation between any of these, and historically known periods of greater average temperature than we are currently experiencing.
You mentioned that the last decade was the hottest period on record? If we grant that as true, the "record" the experts refer to doesn't extend very far into the past, geologically speaking. That "record" only goes back to about 1860, 146 years ago. That isn't even the beginning of a blip in geologic terms.
Like I said, I don't disagree that global warming is happening. Until we "know the answer for sure" on what the cause of it is, it seems ill-advised to make and act on a plan for fixing it. If the sun is causing it, there's nothing we can do about it.
Respectfully,
AuldSoul