Deer in the Headlights

[LP]

Ocean acidification (not acidity)
.
.
.
Clearly your back ground includes little or no knowledge of the geologic timescale - I suggest you brush up on that 

If you wish to get persnickety, that would be background wouldn't it?

Can you sell me a brush? ;D

Unlike some skeptical commentators I know enough about deep time not to confuse CO2 or global temperatures from the Hadean or Achean(FFS, lunatics quoting relative Hadean temperatures as proof the earth isn't warning!) with the post-Proterozoic Cenozoic or as it may now become cynically known the Pyrozoic! And probably I know just enough not to equate effects that happen over tens or hundreds of years like recent CO2 rise and a Grand Solar Minimum(GSM), with geologic processes that occur over thousands or millions of years like an ice age! :