38751c01_ate_Science_Myths___PlanetSave__One_Liner
[0] 49 [Skeptic Argument] “It warmed before 1940 when CO2 was low” [3] Early 20th century warming was in large part due to rising solar activity and relatively quiet volcanic activity. However, both factors have played little to no part in the warming since 1975. Solar activity has been steady since the 50’s. Volcanoes have been relatively frequent and if anything, have exerted a cooling effect. [One Liner] 
Early 20th century warming is due to several causes, including rising CO2.
119 One-Liners to Respond to Climate Science Myths | PlanetSave
One Liner