Question

what can cause the earth to end?

Answer 1

i think global warming... extran carbon dioxide

Answer 2

There are endless possibilities. May be one day the ozone layer would deplete and can cause the excess of carbon dioxide in air which could lead to rise in earth's temperature and can make it into a sun. Maybe a heavy asteroid collide with earth and destroys it. Or the Aliens could harm our earth or it could get sucked into a Black Hole. These are few possibilities. There are still many