Earth's recent climate spiral.

[Leonardo17]

Global food production will be disrupted

CO2 is a fertilizer and plants benefit from warmer wetter climate.

the backdrop to this will be more frequent and more intense weather events.

Wikipedia says that high hurricane frequency is caused by cleaner air.

Now, IDK what nuts you listen to, but if you're listening to one set of nuts saying it will be the end of the world

In my experience almost all climate alarmists claim that it will be the end of the world.

None of us do that. But many / many people may die because of climate change. + The political / economic order of the world may be disrupted because of climate change.  + we are not able to predict the conditions of a +4C world. It is also possible that life on earth decides to go on on its path without the Homo-Sapiens.
 
Seriously. Where are you going to live? On the ISS maybe?
 
How will your life on a planet of 10 Billion without proper food production? We don’t even know what’s going to happen. So there is no “alarmism”. It’s just that we don’t have another planet to live in. So where do we live if this planet is gone?