> they calculate we are using 100 times the amount of carbon that exists in all living creatures on the face of the earth every year This doesn't seem right. E

> they calculate we are using 100 times the amount of carbon that exists in all living creatures on the face of the earth every year This doesn't seem right. Estimates put total biomass at 500-600 billion tons of carbon, and annual biomass production at 100 billion tons of carbon. Meanwhile global carbon emissions from fossil fuels/industry are 35-40 billion tons per year.