I think this is real evidence of the effect of climate change. Not the contents of the paper, mind you. More this process:
Academic has low-profile subject and needs more grant funding
Comes up with (spurious/tenuous/dubious) link to climate change
Writes paper on it
(un)Scientific journal picks it up
Government grants flow in
Here's the latest lunacy:
Climate Change Might Be Killing Male Fetuses https://news.vice.com/article/climate-change-might-be-killing-male-fetuses
Well, if we were crocodiles it might influence the sex of the progeny I suppose. It is known (as best as I can remember) that the mama croc can influence the sex of the offspring by controlling the temperature of the eggs.
So maybe we are all crocodiles.