in fact, human emit 26 gigatonnes of co2 per year while co2 in the atmosphere is rising by only 15 gigatonnes per year - much of human co2 emissions is being absorbed by natural sinks.
in fact, human emit 26 gigatonnes of co2 per year while co2 in the atmosphere is rising by only 15 gigatonnes per year - much of human co2 emissions is being absorbed by natural sinks.
carbon dioxide:185
human activities emit about 29 billion tons of carbon dioxide per year, while volcanoes emit between 0.2 and 0.3 billion tons.