I decided not to pursue my interest in geology because I didn't want to be stuck with the only employment options being oil companies.

It sucks that we need to give up so much even though they keep destroying and pillaging.

What am I doing about it? For the most part, nothing at the moment besides actively refusing to purchase from a small number of companies—Nestlé, Walmart, Amazon, etc—mostly out of principal as I'm not illusioned enough to think one person will make a difference in this sense). Primarily because at the moment I live in a dead-end job making barely enough money to buy food and trying to keep my car from disintegrating long enough for me to get to work and back.

Frankly, I'd love to do more, but there's really not much I can do. Doesn't mean I have to like it though. Just because you don't have an alternative ready doesn't mean you're not allowed to dislike the current situation.