THIS POST IS A PRESENTATION OF SOURCES OF CARBON TRANSFERS FROM THE MANTLE TO THE SURFACE BY WAY OF SEEPAGE, HYDROTHERMAL VENTS, HYDROTHERMAL PLUMES, SUBMARINE AND VOLCANISM. ..... ..... THE CONTEXT OF THIS STUDY IS THE THEORY OF ANTHROPOGENIC GLOBAL WARMING (AGW) WHERE FOSSIL FUEL EMISSIONS ARE ASSUMED TO BE THE SOLE SOURCE OF CARBON EXTERNAL TO THE CARBON CYCLE. ........ ........ A further argument in climate science for human cause is that the source of the carbon causing atmospheric CO2 to rise has to be fossil fuels because this carbon is devoid of the 14C and 13C isotopes. ........ ........ It is noted that this argument does not exclude geological carbon because that carbon is also devoid of 13C and 14C isotopes. ........ ........ It is not possible to distinguish fossil fuel carbon from geological carbon. ........ ........ It is proposed therefore that natural flows of CO2 to the atmosphere that may have been missed or underestimated in climate science must be reconsidered, specifically the known carbon flows from the mantle to the atmosphere.