> Nobody cares about humanity 600 generations from now. We're only truly concerned about our immediate family.

Please don't project your own personal thoughts and opinions on to the entire human population. It's possible that some, even many people do not think this way. I would claim to be one, although of course I can offer no evidence other than my word.

> I would say 90% of our environmental problems stem from this one fact. I mean we all drive cars and are unwilling to make the necessary sacrifice to stop.

Again, that seems like a projection of yourself on to the whole population. This ones easier to refute though, since it's an objective fact that I don't drive a car (and haven't even bothered learning). Concern for the environment is certainly a large part of the reason.