Recently, I received an email from someone who claimed, “The possible dramatic effect of a 35% increase in CO2, since 1958, cannot be denied”.
My response to him was that he was being influenced by the specious nature of the so-called “greenhouse effect”.
In the real world, climate change is far more complex than just “more CO2 in the atmosphere = warmer climate.”
Let’s examine the claim, “The possible dramatic effect of a 35% increase in CO2, since 1958, cannot be denied”
Well, yes, it can be denied.
Just for the record, the increase in atmospheric CO2 from 1958 to 2013 was not 35%, it was 25% (315 to 395, do the math).
The chart below explains why a 35% (or even a 3500%) increase in atmospheric CO2 from current levels might easily have no real impact on global climate (depends on where CO2 is when you start adding CO2 for your comparison).
How high do you think those bars will be for CO2 levels of 800 and beyond? They are already over-represented for illustration. As CO2 in the atmosphere increases, the warming contribution approaches zero (though it will never reach zero)…
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