3 ms·
> background CO2 was around 330 ppm. When were you born and where did you get that number from?
by tpmx 4y ago
> background CO2 was around 330 ppm.
When were you born and where did you get that number from?
- rufus_foreman 4y agoAround 50 years ago. I was looking at this chart: https://www.climate.gov/news-features/understanding-climate/climate-change-atmospheric-carbon-dioxide https://www.climate.gov/news-features/understanding-climate/...
- tpmx 4y agothanks!