The five times the world ended.

“Biological diversity is messy. It walks, it crawls, it swims, it swoops, it buzzes. But extinction is silent, and it has no voice other than our own.” Paul Hawken

“This is the way the world ends, not with a bang but with a whimper” T. S Eliot

What constitutes the end of the world? Are explosions necessary, or fire? Does the planet have to ball up into flames and plough into the…