TE: In absolute terms, the uptake rate has increased five-fold since 1960:
ATTP: Yes, but the fraction hasn’t changed. The reason the uptake rate has increased in absolute terms is because our emissions have increased.
Uh, no. The reason the uptake rate has increased is that the CO2 PPMV has increased. Even if emissions level off, the CO2 levels will still be rising until the relative uptake rate rises to 100% of emissions.