Quote:
Originally Posted by oil pan 4
The earth is in a constant state of change.
For the planet to not be warming or cooling would be unnatural.
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Very true! It's what's happening,which falls outside natural variability (which scientists have a very good handle on) that is of concern.And what is happening outside of natural variability is a consequence of fossil-fuel combustion,plus the other anthropogenic forcings mankind has contributed.
It's not the Sun.It's not clouds.It's not cosmic-'ray' secondary particles.