Quote:
Originally Posted by kinetic
I only know what I have read about the minimal amount of human vs natural co2 production from Nasa. You can work the math however and ask NASA for a further clarification. I have no reason to doubt their claims of 3.5% - 5% of all co2 are human caused.
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The reason co2 is only accumulating at 15 billion tons per year in the atmospehre, despite over 500 billion tons being emitted globally, is that there are processes removing co2 from the atmosphere.
Given that nature adds co2 to the atmosphere
and takes it away too, what is the net effect of nature? The net effect is that
nature removes more co2 from the atmosphere than it adds.
Without human co2 emissions the co2 levels in the atmosphere would start falling.