Interesting CO2 findings from NASA., page-19

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    That has already been quite thoroughly studied and variable Solar output has been estimated to account for only ~ 1/7 of recent warming. So yes there is a minor effect but it is dwarfed by the anthropogenic (man-made) forcing effect.

    https://www.skepticalscience.com/solar-activity-sunspots-global-warming.htm
    Last edited by sparassid: 31/12/16
 
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