Asked by Bill
What is the amount of CO2 added to the earth's atmosphere each year from fossil fuels?
Answers
Answered by
drwls
Do you want the net increase per year (which has been measured for about a century) or the amount actually added by fossil fuel combustion? Not all of the CO2 added remains in the atmosphere.
You will find information on both at
http://en.wikipedia.org/wiki/Carbon_dioxide
The amount actually in the atmosphere increases by about 2 ppm per year, which is about about 0.5% . CO2 is currently 388 parts per million (ppm). The total amount in the atmosphere increases by about 1.6*10^13 kg per year. The amount added by human activty is estimated to be 2.7*10^13 kg/year. Some of that gets stored in the ocean.
You will find information on both at
http://en.wikipedia.org/wiki/Carbon_dioxide
The amount actually in the atmosphere increases by about 2 ppm per year, which is about about 0.5% . CO2 is currently 388 parts per million (ppm). The total amount in the atmosphere increases by about 1.6*10^13 kg per year. The amount added by human activty is estimated to be 2.7*10^13 kg/year. Some of that gets stored in the ocean.
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