Our climate today is actually a warm interval between ... But this warm period, called the Eocene, was followed by a long cooling trend. Between 52 and 36 million years ago, ice caps developed ...

About 50 million years ago the climate of our planet changed faster ... The event is known as the Palaeocene-Eocene Thermal Maximum (PETM) but the cause of the warming is still debated.

Additionally, the late Eocene climate model used for the simulations did not include the cooling effects that ice itself would have had on local temperatures. This means the ocean temperatures in ...

Palm phytoliths from the Giraffe Pipe locality, a 48 million-year old Eocene deposit situated in ... of warm-water aquatic organisms, indicate a climate far warmer than previously thought ...