claim: "The killer proof that CO2 does not drive climate is to be found during the Ordovician- Silurian and the Jurassic-Cretaceous periods when CO2 levels were greater than 4000 ppmv (parts per million by volume) and about 2000 ppmv respectively.
evidence: According to the EPA fact sheet on the Clean Power Plan, climate change is responsible for everything from stronger storms to longer droughts and increased insurance premiums, food prices and allergy seasons.