I find it ironic that the Climate Change community calls its opponents 'Deniers' because you cannot believe in Climate Change unless you deny two scientific truths.
First, you must deny that the Earth has more than one stable climate. The 'Deniers' note that the Earth is stable during Ice Ages, stable during near-absence of polar ice, and stable at many points in between. And how does the Earth move from one stable climate to another? By climate change. The Climate Change community seems desperate to keep the Earth in its present climate, but the Earth has other plans, I'm sure.
Second, you must deny that stable climates exhibit homeostasis. When nudged from equilibrium, the climate tends to return to equilibrium. So, just because atmospheric CO2 is rising (let's just stipulate that to advance the discussion), it may well trigger countervailing rises in carbon-absorbing mechanisms (e.g., trees).
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