Quote:
Originally Posted by Amaranthus
Apart from different isotopic ratios (fossil-derived CO2 has no C14 and little C13), nothing on a molecular basis. However, the CO2 that comes from your breath was in the atmosphere a few moments before. The CO2 that comes from burning coal and gas is ancient and has been trapped/sequestered away from the atmosphere for millions of years.
So your breath is not contributing to a net increasing in the number of CO2 molecules in the modern atmosphere. The latter is.
|
So you and Ian Plimer don't see eye to eye Barry?