The simplest observation is that the Mauna Loa data series for atmospheric CO2 has been very consistent and shows a steeper curve over time. That simply must b

The simplest observation is that the Mauna Loa data series for atmospheric CO2 has been very consistent and shows a steeper curve over time. That simply must be net-net all of the environmental changes going on around the world. Really based on that data set no one should have ever hoped that "the plants could keep up," because they never have. That is not in the record. As an aside, and for the HN audience, boy ... "long read" pages that require the mouse to be mid screen for the scroll wheel to work are really pretty annoying.