f11f2692_limate_Science___ThinkProgress__One_Liner
[0] 47 [Skeptic Argument] “CO2 was higher in the past” [Paragraph] When CO2 levels were higher in the past, solar levels were also lower. The combined effect of sun and CO2 matches well with climate. [One Liner] 
When CO2 was higher in the past, the sun was cooler.
99 One-Liners Rebutting Denier Talking Points — With Links To The Full Climate Science | ThinkProgress
One Liner