Via NYTImes:
...The geologic record does offer startling examples of the instability of the planet. Whale bones can be dug up in the Sahara. The summit of Mount Everest is a chunk of ancient seafloor.
But most climate scientists reject the idea that this history means human-induced climate change will be benign. They add that the fossil record indicates nothing quite like today’s rapid release of greenhouse gases and its parallel effect of raising the planet’s temperature, changes that are occurring in a geologic instant..