Wait a minute. Thats impossible to know with any accuracy. So this is more nonsense pretending to be science.
But I really shouldnt be complaining. Because my cat just told me that Global Warming is related to kitten sneezes. I dont know why my cat thinks that. But tomorrow Ill be applying for a federal research grant.
Wow. Im impressed! These guys know how warm the Mediterranean Sea was 2000 years ago, to the tenth of a degree.