CO2 levels have been this high before…actually higher, before man existed.
Link: https://www.climatecentral.org/news/the-last-time-co2-was-this-high-humans-didnt-exist-15938
CO2 levels have been this high before…actually higher, before man existed.
Link: https://www.climatecentral.org/news/the-last-time-co2-was-this-high-humans-didnt-exist-15938