Global Atmospheric Concentration of CO2
| Sr. no | Year | CO2 Concentration |
|---|---|---|
| 1 | 1990 | 296 |
| 2 | 1910 | 300 |
| 3 | 1920 | 303 |
| 4 | 1930 | 308 |
| 5 | 1940 | 311 |
| 6 | 1950 | 311 |
| 7 | 1960 | 317 |
| 8 | 1970 | 326 |
| 9 | 1980 | 339 |
| 10 | 1990 | 354 |
| 11 | 2000 | 370 |
| 12 | 2010 | 389 |
| 13 | 2019 | 412 |
| Growth Rate | 39% | |
Source: NASA database (accessed on 26th December 2020)
Unit: Parts Per Million (ppm)