I know that people sometimes excuse bad behaviour by their other bad behaviour; however, to stick with the vegetarian example: more and more people around me, and in my country and general, have been going vegetarian, and this process is only accelerated because it is easier than ever to become one due to supermarkets and restaurants catering to this growing group.

So sure, people are not going to be perfect immediately, but there's no doubt that even the non-vegetarians are far more aware of these issues due to the number of vegetarians around them. Meanwhile, the environmentally-friendly parties in my country and the surrounding ones have been growing in popularity.

Besides, I'm not quite sure how you think people are going to be pushing for drastic changes if every step towards that actually is a step away from it. Would actively dumping toxic waste in our rivers be better?

For change to happen, there needs to be a widespread push for it, and that widespread push isn't going to happen unless awareness spreads. Sure, it might already be too late for that push to make a difference, but about not doing anything we can at least be sure that it will not make a difference.