Mega El Niños may have played a part in the Permian mass extinction

Extreme weather events lasting more than a decade could have killed off forests 250 million years ago, contributing to Earth’s worst ever mass extinction

​Extreme weather events lasting more than a decade could have killed off forests 250 million years ago, contributing to Earth’s worst ever mass extinction Extreme weather events lasting more than a decade could have killed off forests 250 million years ago, contributing to Earth’s worst ever mass extinction