In Praise of CO2

An interesting post appeared on the interwebs a few days ago.  In it Zoe Phin reported on some analyses she had done on publicly available NASA data; the Vegetation Index, a measure of how green the earth is.

Using the wizardry of extracting, manipulating and graphing the source data from 2000 to 2021 she found an interesting result: the earth has become 10% greener.

The data is collected by satellite every 16 days and shows the seasonal variations in leaf cover etc.  Because the earth is only ~29% land there is an upper limit to this index measure of 0.29, and this would mean all of the land is covered in heavy vegetation.

The start index figure is 0.0936, the end figure is 0.1029, an increase of 9.94%.

Planet Earth is 10% greener than it was 20 years ago.

The Greens must be ecstatic about this wonderful result from the steadily increasing levels of atmospheric CO₂.

Oh …wait!  Those who want a greener planet hate CO₂.

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