[dennisw]

Of the 186 billion tons of CO2 that enter earth's atmosphere each year from all sources, only 6 billion tons are from human activity. Which is around 3%

Do you have a book or website that has this damning information

[Doctor Stochastic]

More like 80% for fossil fuel burning.

[Doctor Stochastic]

This is a couple of years old, but it gives a good idea of where the CO2 is produced (fires, fossil fuel, cement plants) and where it goes (plants.)

[Steve Van Doorn]

This is where I read it:

http://www.clearlight.com/~mhieb/WVFossils/ice_ages.html#anchor2108263