The problem starts with people being irrational when it comes to politics.
If you really stop and think, it's the biggest problem we face, because it is a problem that prevents us from solving other problems. Before we can solve the problem of Pollution, we must first have correct beliefs about Pollution and Global Climate Change, about what causes it, what reduces it, and what the side effects of alternative policies are.
If our beliefs about those things are being guided by Subjective, speculative, and anecdotal arguments, the social group we want to fit into, the self-image we want to maintain, the desire to avoid admitting to having been wrong in the past, and so on, then it would be pure accident if enough of us were to actually form correct beliefs to solve the problem.