Quote:
Originally Posted by exes
Net CO2 output per year from burning fossil fuels is about 27 billion metric tons. Net CO2 output from everyone in the world breathing is about 1.7 billion metric tons, if my math is right.
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This simply isn't true.
The TOTAL CO2 output in 2005 was 28 billion metric tons, so wherever you got your figure it's incorrect.
EIA - International Energy Outlook 2008-Energy-Related Carbon Dioxide Emissions
Furthermore, anthropogenic CO2 is a bigger issue with non-OECD countries.
And I still don't see any source that discusses how much CO2 is produced naturally vs. how much is man-made.