Quote:
Originally Posted by jamesqf
True, but irrelevant, since we know beyond any rational doubt that the warming is caused by humans adding fossil CO2 to the atmosphere. It's just basic physics, no different in principle than using physics to figure out that if you jump off a cliff, you will hit the ground and go splat.
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If that is true then why has warming stopped or slowed as CO2 has risen ? Surely if it is the key driver then temps would continue to rise. Surely we should be burning up even now due to feedbacks.
And given we only have accurate (thermometer) records since around 1850 can we say with any accuracy that the warming in the 20th century was unusual in the history of the planet ?
If so, how ?