Atmospheric CO2 levels are changing:

(Horizontal axis is year: 1958-1990)

http://hyperphysics.phy-astr.gsu.edu/hbase/thermo/grnhse.html

Where is all this extra CO2 going? It is known that only perhaps a third of the extra emitted CO2 is going into the atmosphere! Perhaps it is going somewhere else in the carbon cycle. What do you think?

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