What's less certain is
the exact AMOUNT of warming.
You can argue, like Judith that
the exact amount of warming is uncertain.
Not exact matches
And when we do talk about the science we discover that the
exact amount of our «emissions
of CO2 have contributed to the current
warming period» is very much unsettled.
Estimating the
exact role
of CO2 increase in the
warming of the last 150 years depends on a well - known unknown, namely the
amount of warming that would have occurred without the increase in CO2.
Are you claiming that if the atmosphere were replaced with a different set
of gasses that do not contain GHG molecules, but still had all the other macro effects such as clouds etc in the
exact same
amount as our current atmosphere... are you claiming that this atmosphere would NOT cause (directly or indirectly) the surface
of the earth to
warm at all?