Halperin, A Simple Equation of Multi-Decadal Atmospheric Carbon Concentration Change has emerged from the review almost unscathed.  Backward extrapolation suggests slightly different values for the half-life and “equilibrium” CO2 concentration, but does not contradict the main conclusion of the paper, except that it suggests possible decrease in the half-life CO2 concentration.  Wide error margins do … Continue reading Remarks on CO2 Change