RWP and MWP warmer than current

Dec 1st, 2009 by Taliesyn in Climate change, Science

So, the Roman and Medieval Warm Periods were warmer than the current day in the North Atlantic.  All while CO2 concentrations in the atmosphere were lower.  Correlation is that higher temperatures are not necessarily caused by high CO2.  So does high CO2 today matter?
Also – see Lord Monckton’s latest paper on ClimateGate!

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