The popularity of the AFD is not the fault of the people actually trying to make things a tiny bit better. It’s thanks to right wing media and politics (CxU) continuously slandering them after complete failure to improve things even the tiniest bit during their time in power.
Even the most mild and harmless change to somewhat reduce the apocalyptic global warming we’re creating is fought tooth and nail by the right wing.
You’re argument makes as much sense as the people saying gay people are making things worse by forcing their gayness down everyone’s throat. No, right wing people don’t want to do anything about climate change and want LGBT people not to exist.