This schematic shows the relationship between the different physical and chemical processes that make up the carbonate-silicate cycle. In the upper panel, the specific processes are identified, and in the lower panel, the feedbacks associated are shown; green arrows indicate positive coupling, while yellow arrows indicate negative coupling [image credit: Gretashum @ Wikipedia]
There’s always been a carbonate–silicate cycle, which Wikipedia declares ‘is the primary control on carbon dioxide levels over long timescales’. Warmists have shoe-horned this into their atmospheric theories, as we can see from the appearance of ‘greenhouse effect’ in the graphic above. Carry on, Earth.
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The Earth’s climate has undergone some big changes, from global volcanism to planet-cooling ice ages and dramatic shifts in solar radiation, says Eurekalert.
And yet life, for the last 3.7 billion years, has kept on beating.
Now, a study by MIT researchers in Science Advances confirms that…
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