[age_bronze]

The most frequent misunderstanding of science, (and it applies to many other fields such as cyber security security, politics, etc.) is that an imperfect solution is worthless, that if a model is incomplete it's as good as no model, etc.

Perfect is the enemy of good. At the core of science is settling for the least errors model. You suggest solutions because doing them is better than doing nothing at all. Of course they will be partial if the problem is of such a large scale as climate change. That's not a reason not to do them.

So what if all the politicians are dirty scumbags? Voting for none is still worse than voting for the least shitty politician.

You need to accept you can't have a perfect solution. I find a perfectionist attitude to problems more common with religious people. Because once you already have one single generalizing solution to so many questions (god / religion), it is just so tempting to believe the same applies to other problems.