Sometimes I wonder if the changes to global climate have a lot to do with China weather modification????
https://www.cnn.com/2020/12/03/asia/china-weather-modification-cloud-seeding-intl-hnk/index.html
If you tinker with natural systems you sometimes do not get what you expected.

(Kudzu goddess directing her green army's march across the south?)

I don’t believe the chinese, or any other government, is capable of causing noticeable climate change, short of engaging in a total annihilation global thermonuclear war.
It’s just Mother Nature throwing a fit.
In recent memory, ‘93 and ‘95 were both a lot worse than this.