Net emissions = Net changes in the carbon cycle
Fossil	+   Destruction	=  Atmospheric	+   Oceanic +  Unknown
Fuel	      of land	    increase	     uptake	sink?
	    vegetation

  5     +       1.8     =       3       +     1.6   +    2.2
An attempt to balance sources and sinks of the CO2 in the atmosphere show the misbalance in current budgets for the global carbon cycle. All data are expressed in 10^15 gC/yr.