38751c01_ate_Science_Myths___PlanetSave__One_Liner
[0] 13 [Skeptic Argument] “Ocean acidification isn’t serious” [3] Past history shows that when CO2 rose sharply, this corresponded with mass extinctions of coral reefs. Currently, CO2 levels are rising faster than any other time in known history. The change in seawater pH over the 21st Century is projected to be faster than anytime over the last 800,000 years and will create conditions not seen on Earth for at least 40 million years. [One Liner] 
Past history shows that when CO2 rises quickly, there was mass extinctions of coral reefs.
119 One-Liners to Respond to Climate Science Myths | PlanetSave
One Liner