Table 3 Past and projected atmospheric CO2 saturation (ppm), by IPCC scenario
From: Modeling some long-term implications of CO2 fertilization for global forests and forest industries
IPCC scenario | |||
|---|---|---|---|
Year | A1B | A2 | B2 |
1970 | 325 | 325 | 325 |
1980 | 337 | 337 | 337 |
1990 | 353 | 353 | 353 |
2000 | 369 | 369 | 369 |
2006 | 382 | 382 | 380 |
2010 | 391 | 390 | 388 |
2020 | 420 | 417 | 408 |
2030 | 454 | 451 | 429 |
2040 | 491 | 490 | 453 |
2050 | 532 | 532 | 478 |
2060 | 572 | 580 | 504 |
2070 | 611 | 635 | 531 |