human additions of co2 are in the margin of error of current measurements and the gradual increase in co2 is mainly from oceans degassing as the planet slowly emerges from the last ice age.
human additions of co2 are in the margin of error of current measurements and the gradual increase in co2 is mainly from oceans degassing as the planet slowly emerges from the last ice age.
carbon dioxide in earth's atmosphere:140
while co 2 absorption and release is always happening as a result of natural processes, the recent rise in co 2 levels in the atmosphere is known to be mainly due to human (anthropogenic) activity.