Rising temperatures, little rain and high concentrations of carbon dioxide could make the supercontinent inhabitable for mammals, the study suggests.
Humans and other mammals may only exist for another 250 million years on Earth — which is about as long as mammals have existed here at all — according to a newthat predicts the continents will collide and form one massive block of land that is too hot and too dry to live on.
Researchers said the new model indicates that collisions between land masses to form Pangea Ultima could create a supercontinent riddled with volcanoes that release carbon dioxide.
"Mammals are evolutionary one of the great survivor species, adept of living in many climates and environments since they became dominant after the K/Pg," Farnsworth wrote. The K/Pg, short for Cretaceous-Paleogene, was a mass extinction event on Earth that wiped out all non-avian dinosaurs roughly 66 million years ago.
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