Quote:
Originally Posted by TheAngryPostman
But randolph. How can we be sure that we are the cause of the warming? Or could the Earth naturally be going through a warming cycle? I do believe that the Earth is getting warmer, but can it be proven without a doubt, that humans are the cause of said warming?
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This is where things get sticky. GW proponents blame much of the warming trend on the steady increase in CO2 levels produced by the burning of fossil fuels. There is solid physics behind this view. However, the warming trend is not following the rise in CO2. In fact, GW peaked in 1998 in many areas of the earth and has stabilized at about one degree above the long term average.
Mother nature is far more complicated than we are able to understand. The computer modeling going on is, I believe, very dubious. To predict what is going to happen ten years or fifty tears from now based on computer models is, I believe, ridiculous. However, pouring vast amounts of hydrocarbon gases into the atmosphere is asking for trouble. We don't really know what that is going to do to the climate.
What is ironic, is that after WWII there was a cooling trend until the mid seventies. What happened then? There was a concerted effort to clean up smog and smoke. This had no effect on CO2 output, however. So the smoke and smog emissions that suppressed the warming effect of CO2 were reduced allowing the CO2 to warm the air.
So unless we know what we are doing, the safest thing to do is cut back on burning oil and coal. Its not going to last forever anyway.
10-08-2009
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