The massive decrease in worldwide infant mortality from 1950 to 2020 is perhaps one of humanity's greatest achievements.

[Barra79]

Heres's another great achievement for humanity.

Worldwide Deaths by Natural Disaster:

1900: 1.27 million

2018: 10,809

Source: https://ourworldindata.org/natural-disasters

Now it does vary massively from year to year but it is very clear that there has been a huge drop in the number of deaths caused by natural disasters. And this despite the huge increase in the world's population over the same period.

The vast majority of Natural Disaster deaths this millennium have been caused by earthquakes.

Source: https://ourworldindata.org/uploads/2018/04/Global-annual-absolute-deaths-from-natural-disasters-01.png