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.
I wish they did move to Mars and had to live as a serf on Elon Musk's fucked up version of Rapture
At least Rapture kept the water running