Ron Johnson: I think it's sucked down by trees and helps trees grow.
Narrator: Plants use CO2. Therefore, more CO2 is good. It's one of the hardy perennials of climate denialism. Like most generalizations, sooner or later it runs afoul of the real world.Video: The CO2 is Plant Food Crock.
Feat. "The Third Viscount Monckton of Brenchley."
Bonus denialist Crock of the Week: Sunspots.
'How I get painted as an extremist is beyond me.' — Ron Johnson