The voluntary emission reductions pledged under the Copenhagen Accord are almost certainly insufficient to limit global warming to 2 °C. However, using the Copenhagen Green Climate Fund for mitigation efforts could achieve the reductions needed to fill the gap.
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Marschinski, R., Jakob, M. Reconsidering Copenhagen. Nature Clim Change 1, 297–298 (2011). https://doi.org/10.1038/nclimate1201
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DOI: https://doi.org/10.1038/nclimate1201
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