Waaah trying to fix the environment is too hard.
It's easier to simply create a new home on a world without air, water, food or energy millions of miles away.
I know if human civilisation survives more than a million years here on earth then yeah eventually we'll have to leave, but leaving now??? So shitty.
King Gizzard and the Lizard Wizard's Album 'Infect the Rats Nest' is 100% the correct prediction of the future.