Global warming is not rational. They have to fake the numbers to make it seem like we are having any sort if significant effect on the climate. They have made failed predictions for decades. The only rational thing to do is realize we are being played and not worry about it. There are plenty of reasons for us to strive to reduce our impact on the environment, and to learn to work with natural systems and cycles. We don't need the constantly self-discrediting predictions of doomsday alarmists to motivate us. That's only a grift used to funnel resources and power away from the people and into the hands of the few.
Nuclear war is a real threat, and so are pandemics. But it's the fear of those that cause people to panic, allowing the few to funnel money and power towards themselves and away from where they are needed. We do have to be rational about the actual threat these pose, and the chances they will happen, and ways to respond. The rational way we have responded to nukes is to develop defense systems, and doing our best to keep them out of the hands of mad men who would use them. We won't get rid of them any time soon, if ever, so we do the best we can in the mean time.
As for pandemics, we had a pretty good system in place for dealing with communicable disease. So good, we had to manufacture a virus and create a pandemic. Then, we had to throw every thing we knew about dealing with that type of virus out the window, manufacture fake tests, and have the media hype it non-stop for two years, and it still didn't end up to be a very big deal in the grand scheme of things. Our response to pandemics is what has me the most worried, as profit was put before actual health and safety, and we are now, sadly, seeing the results of what happens when we do that.
To sum up, all the things you think we should fear and do something about are control mechanisms used by the people you think we should trust, when they have done nothing but make things worse. The common thread through all this is the human element, and the logic employed all leads to one conclusion, the final solution. That's always been proven wrong, morally and practically. It is up to the people who can see an infinitely complex world for what it is, that it does not conform to our 8-bit understanding of it, to stand up, take charge, and create real, practical solutions to the actual problems. The rest of you can go tilt at your windmills.