The world population was 2,5 billion in 1950.
In 2019, the global population has have tripled to 7,5 billion.
If the world population keeps growing as projected, CO² levels are likely to keep rising as well...
https://ourworldindata.org/grapher/world-population-1750-2015-and-un-projection-until-2100?time=1750..2100
