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Au-delà du jeu des comparaisons, une approche fondée sur la science et l’équité : le budget carbone du Québec
| Content Provider | Semantic Scholar |
|---|---|
| Author | Gignac, Renaud Schepper, Bertrand |
| Copyright Year | 2015 |
| Abstract | Recent estimates of the global carbon budget, or allowable cumulative CO2 emissions consistent with a given level of climate warming, have the potential to inform climatemitigation policy discussions aimed atmaintaining global temperatures below 2 °C. This raises difficult questions, however, about howbest to share this carbon budget amongst nations in away that both respects the need for afinite cap on total allowable emissions, and also addresses the fundamental disparities amongst nationswith respect to their historical and potential future emissions.Here we showhow the contraction and convergence (C&C) framework can be applied to the division of a global carbon budget among nations, in amanner that bothmaintains total emissions below a level consistent with 2 °C, and also adheres to the principle of attaining equal per capita CO2 emissions within the coming decades.We show further that historical differences in responsibility for climate warming can be quantified via a cumulative carbon debt (or credit), which represents the amount bywhich a given country’s historical emissions have exceeded (or fallen short of) the emissions thatwould have been consistent with their share of world population over time. This carbon debt/credit calculation enhances the potential utility of C&C, therefore providing a simplemethod to frame national climatemitigation targets in away that both accounts for historical responsibility, and also respects the principle of international equity in determining future emissions allowances. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://iris-recherche.s3.amazonaws.com/uploads/publication/file/Me_moire_IRIS_+_annexe_.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
