CO2 Facts

Carbon Dioxide Facts

Fossil fuel burning currently adds nearly six billion tons of CO2 to the atmosphere every year. Only half of this CO2 is removed by forests and oceans.

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The CO2 that nature emits (from the ocean and vegetation) is balanced by natural absorptions (again by the ocean and vegetation). Therefore human emissions upset the natural balance, rising CO2 to levels not seen in at least 800,000 years. 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.

https://www.skepticalscience.com/human-co2-smaller-than-natural-emissions.htm

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http://www.realclimate.org/index.php/archives/2004/12/how-do-we-know-that-recent-cosub2sub-increases-are-due-to-human-activities-updated/

https://en.wikipedia.org/wiki/Carbon_dioxide_in_Earth%27s_atmosphere

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Human activities currently release about 37 billion metric tons of CO2 per year, which equates to about 5% of natural CO2 emissions. Natural processes absorb the equivalent of all natural emissions plus about 57% of man-made emissions, leaving an additional 16 billion metric tons of CO2 in the atmosphere each year.[33]

http://www.justfacts.com/globalwarming.asp

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