My main issue is that the overall issue suits the agenda-politics of authoritarian progressives. Carbon taxation being the solution for instance, laughable solution, is merely a means of attacking some industries to benefit other industries, and rake in money for companies that politicians and elites favor at the expense of their political enemies.
Also, the revealed internal attitudes of the 'scientists' that are in the faction that calls anyone who finds fault with their conclusions 'deniers' don't help. The strategies used to politicize the debate and silence dissent fully reveal the authoritarian and indeed totalitarian nature of their chosen political direction. Taints the whole environmental movement in a way that is extremely troublesome too. If you don't much like heavy-metals and pollutants introduced into your ecosystem, you have to share space with global warmists/climate changeists who actually want to engage in drastic pollutant spraying weather modification in some cases.