The world just got its first real taste of life I at 1.5 degrees Celsius

This is focused on the northern hemisphere, but parts of South America are currently experiencing winter temps that are 50+F (15C) higher than average.

These are winter temperatures at almost 100F!

https://www.abc.net.au/news/2023-08-04/south-america-extreme...

> Researchers have found that humans quickly stop remarking on hot temperatures; after between two to eight years, what was once a record high starts to feel like the new normal

Al Gore sensitized his layman audience of this effect in his invited talks (c. early 2000s), as slow boiling the toad. It is also a part of the "An Inconvenient Truth" documentary (2006), which is quite a relevant discourse even today. If you haven't watched it, I recommend you should - it is quite accessible, & well explained considering it was made almost 2 decades ago.

+3.0C by 2100 is the current UN assessment whatever our actions in the interim. Inaction is anything above.