We are on the natural rise after a natural ice period. Just check long term temperature curves and stop looking short term, making it look like there has ever been the same average temperature on earth.
replies(3):
You have to look before the ice period, that’s what OP refers to as long term.
https://scitechdaily.com/66-million-years-of-earths-climate-...
[1] https://en.m.wikipedia.org/wiki/Milankovitch_cycles#Present_...