"The associated period of massive carbon release into the atmosphere has been estimated to have lasted from 20,000 to 50,000 years. ... Global temperatures incr

"The associated period of massive carbon release into the atmosphere has been estimated to have lasted from 20,000 to 50,000 years. ... Global temperatures increased by 5–8 °C." I hope we're wrong, but having this happen during a couple of hundred years together with massive human species invasion, seems to be quite another scenario.