The huge climate changes back then occurred during the Permian–Triassic Mass Extinction – sometimes referred to as the "Great Dying," which happened around 252 million years ago, leading to ...

'The Great Dying' mass extinction was a warning from the trees, study says As climate change threatens tropical forests, a new study shows how the loss of those forests can be devastating to life ...

Known as the Permian–Triassic mass extinction – or the Great Dying – this was the most catastrophic of the five mass extinction events recognised in the past 539 million years of our planet ...