The world will end when Russians find out how to revive people and do some serious ass cloning. They will revive Ivan IV and Joeseph Stalin and Ivan Stalin will be born in the mix. Ivan Stalin will declare war on the USA, Germany, and Turkey.. WW3 will begin (maybe 4 or 5 depending on how far we are). Nuclear weapons will be launched and the counter attack will lead them to blow up elsewear, getting more nations involved, and it will be a downward spiral. Crops and plant life will be destroyed from warfare, so the storms will grow worse.. lands slides would be more common, droughts would be extremely wide spread and really long. And then the Vikings will ride down from Valhalla and police over the warmongered remaints of the human race.. Vikings will be in control but have a power struggle in choosing a leader. Civil war breaks out amongst the Vikings, they are using left over weaponry and machines and they are using the classic battle axes, and hammers and so forth. The war will rage on and eventually lead into outer space. One side declares themself the Space Vikings, the other quickly gets up into space and battles rage on there, they get led out into space farther and farther as technology improves. Nuclear Weapons start to be launched down to Earth from above as an offensive attack. The left over Viking army's battle it out to the far corners of space and earth falls into an anarchy. Raping and Pillaging galore, no leaders are accepted, they are always killed. People get killed for the rags on their backs, the world crumbles. The long droughts wipe out many people, plant life is all gone, most wild life is deceased, human's fade away...
If it could happen in my life time, I would appreciate.