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Carmen Bunzl - Universidad Pontificia Comillas

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Chapter 3. Implications of future climate regime architectures 131<br />

Differentiated Convergence, Multistage, Tryptich, a sectoral approach and<br />

intensity targets.<br />

Some studies have gone one step further and have, based on emission<br />

allocations, calculated emission reduction costs and possible trades of<br />

emission allowances at a regional level, for different post-Kyoto regimes<br />

(Criqui et al., 2003; den Elzen et al., 2005).<br />

Den Elzen et al. (2005) analyze the abatement costs of three post-Kyoto<br />

regimes for differentiating commitments: the Multistage approach, the Brazilian<br />

Proposal, and Contraction and Convergence. Their analysis was based on a<br />

stabilization of GHG concentrations at 550 ppmv CO2eq; as part of the<br />

uncertainty analysis they also tested the alternative target of 650 ppmv CO2eq.<br />

Table 3 - 1. Overview of literature regarding regional implications for future climate change regimes<br />

Article Group Model Analysis<br />

Höhne<br />

et al.,<br />

2007<br />

Den<br />

Elzen<br />

et al.,<br />

2005<br />

Ecofys EVOC<br />

RIVM<br />

7.0<br />

FAIR<br />

2.0<br />

(+<br />

MAC<br />

curves)<br />

basis<br />

Country<br />

level<br />

Regional<br />

level<br />

Stabilization<br />

concentration<br />

levels (ppmv<br />

CO2eq)<br />

450<br />

550<br />

650<br />

550<br />

650<br />

Calculates<br />

emission<br />

allowances<br />

Calculates<br />

abatement<br />

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

costs<br />

Yes No<br />

Yes Yes<br />

Analysis<br />

years<br />

2020<br />

2050<br />

2025<br />

2050<br />

Approaches<br />

compared<br />

C&C 2050<br />

CDC<br />

Multistage<br />

Tryptich<br />

Sectoral<br />

Intensity<br />

C&C 2050<br />

C&C 2100<br />

Multistage<br />

Brazilian<br />

For the purpose of Section 3, the results obtained with the EVOC tool and<br />

presented in Höhne et al. (2007) were chosen. The main objective here is to<br />

Model<br />

also<br />

used<br />

in<br />

CCAP<br />

BASIC<br />

Project<br />

OECD<br />

(2008)

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