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Carmen Bunzl - Universidad Pontificia Comillas

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Chapter 3. Implications of future climate regime architectures 135<br />

Figure 3 - 2. Reference emissions, emissions corridor towards 550 ppmv CO2 (650 ppmv CO2eq.) and<br />

emissions corridor towards 400 ppmv CO2 (450 ppmv CO2eq.) (Source: Höhne, 2006)<br />

Figure 3 - 3. Selected global emission levels for 2020 and 2050 relative to 1990 for this analysis (Source:<br />

Höhne, 2006)<br />

Six reference points of global emission levels, which have to be met by all<br />

approaches, were defined (see Figure 3 - 3 or Table 3 - 2). The reference points,<br />

used in Höhne et. al (2007), are based on a review of recent literature (den Elzen<br />

and Meinshausen 2005; Höhne et al. 2005a; Höhne and Blok 2006; IPCC 2007a);<br />

and therefore do not correspond completely to the given emission reduction<br />

Escuela Técnica Superior de Ingeniería ICAI <strong>Carmen</strong> <strong>Bunzl</strong> Boulet Junio 2008

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