3. The amount of CO2 of the air from anthropic emissions is today no more than 6% of the total CO2 in the air (as shown by the isotopic ratios 13C/12C)
Yet the TOTAL CO2 concentration (natural + anthropic) is a mere .038%! So, if this is true, we're talking about 6% of .038% being of human origin!
13 posted on 05/12/2015 8:33:33 AM PDT by ETL
(ALL (most?) of the Obama-commie connections at my FR Home page: http://www.freerepublic.com/~etl/)