I think there are other effects of increased CO2 concentration that are not well understood and could be catastrophic. Like ocean acidification. That actually scares me far more than the heat aspect.
We own the fate of our civilization and the environment it relies on.
It's time to take ownership and stop cowering in the cave.
Look up carbonate compensation depth, your mind will be blown. Yes, researchers understand the effects of climate change because they have been looking at it for 40+ years. Being extra worried about climate change is a lot like climate denial, in that it doesn’t show trust in our scientists. There is no need to invent trouble — the challenges we know we will face are hard enough.