Quote sir adrian morley="sir adrian morley"after watching the events unfold over in the far east,prior to that the earthquake in new zealand,the problems in egypt libya,is our planet ready to destruct(in the years ahead).will man destroy the planet or will it end by a natural disaster,personally i think man will be the chief destroyer'"
It will end when the sun starts to die and expands in size, and swallows Earth in a fiery doom.
Man won't destroy the planet all he will do is destroy his own species and take a lot of other species down as well.