It happens all the time.
They are talking some kind of fusion energy being able to replace oil and gas and coal.
Unlimited, cheap, clean, energy.
Maybe fifty years away.
That would alter the earths atmosphere and economies and political and social and economic agendas immensely if we can make it that long before annihilating ourselves.
I don't see any right now but some new leadership could enter into this political arena.
Massive changes are occurring through revolutions right now in Africa and The Middle East.
Many will follow.
Israel could pull up stakes and take all seven million people and populate some where else.
The Christians could stop trying to save everybody and undermining and destroying everybody's territory and social structure and culture.
Homosexuality could become seen for what it is.
Drugs the same.
Alcohol and caffeine could be abolished.
Marijuana stopped in it's tracks.