Scientists shed light on solar activity and Arctic temperatures

'The data indicate that solar activity may have been one of the major driving factors of summer temperatures, but this has been overlaid by other factors since 1990,' said the researchers from the Helmholtz Centre for Environmental Research (UFZ), the University of Hohenheim, both in Germany, and the Russian Academy of Sciences' Institute of Geography in Moscow.

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What we cannot discount though is that there was substantially greater deposition rates by biological processes at 15% CO2 concentration as compared to .038%. This huge deposition happened in what (according to today’s climate science) had to be higher acidity oceans, which means life somehow adapted to the CO2 and managed to create shells and limestone even in high carbon environments.

Of course, I don’t know much more than this but find the whole concept of natural CO2 capture both interesting and poorly understood in climate science. This could very well explain why the ‘sinks’ are not saturating as has been predicted by many in climatology.