So your take is that the wealthiest class will purge people because they're tree-huggers. Not the worst galaxy-brained thing I've heard before, but still laughable.
Don't forget fertility rate is basically stagnant in the West and falling globally, so this seems like a waste of time considering most people just won't breed at all.
repeated for thread continuity:
The West is not The World. There are over a billion Chinese, Indians, Africans…
Words mean things. Who said tree hugger? If you are an apex predator living in an increasingly cloudy tank, there is an obvious solution to the cloudyness.
also: emissions will continue to drop
there has been far more degradation to the natural environment than mere air pollution. general sherman decimated the plains indians with a memorandum. do you think that you are sufficiently better and sufficiently more indispensable than a plains indian?