File:Climate change mitigation scenarios (IIASA). Global greenhouse gas emissions 2000-2100.png
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Summary
| Description |
English: This graph shows projected changes in annual human greenhouse gas (GHG) emissions between the years 2000 and 2100 for a range of climate change mitigation scenarios. Emissions are measured in billion tonnes of carbon dioxide-equivalent (GtCO2-eq).
Projections for 5 scenarios are shown. Each scenario is designed to stabilize atmospheric GHG concentrations at a different level: 450, 520, 670, 970 and 1390 ppmv. A summary table of the graph data is given in a later section. In the scenarios, global emissions peak then decline. Emissions peak sooner in the century for the lower stabilization scenarios. References The full set of emissions data can be freely downloaded from:
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| Date | |
| Source | Own work |
| Author | Enescot |
Data
Decade when global emissions peak:
| Scenario | Peaking decade |
|---|---|
| 450 ppmv | 2000 |
| 520 ppmv | 2020 |
| 670 ppmv | 2040 |
| 970 ppmv | 2060 |
| 1390 ppmv | 2080 |
Annual emissions (GtCO2-eq) 2000 to 2100:
| Scenario | Year 2000 |
2030 | 2050 | 2100 |
|---|---|---|---|---|
| 450 ppmv | 40.1 | 33.3 | 22.8 | -8.9 |
| 520 ppmv | 40.1 | 42.9 | 33.8 | -2.5 |
| 670 ppmv | 40.1 | 54.1 | 53.9 | 13.9 |
| 970 ppmv | 40.1 | 64.7 | 79.2 | 54.3 |
| 1390 ppmv | 40.1 | 68.1 | 90.5 | 115.9 |
Licensing
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:10, 29 October 2014 | | 1,200 × 675 (89 KB) | wikimediacommons>Enescot | User created page with UploadWizard |
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