Carmen Bunzl - Universidad Pontificia Comillas

Chapter 2. Options for future climate change architectures 78
principles; these have to be enhanced to achieve significant changes in emission
pathways.
2.1.5 Conclusions
In the previous sections a variety of approaches for future international
climate policy post 2012 have been assessed based on several criteria. There are
conflicts between some of these criteria. For example, a simple approach –
Contraction and Convergence - would be relatively easy to negotiate, but
cannot address national circumstances of countries. Complex approaches –
Tryptich – may be able to take into account these specific circumstances, but
may be difficult to negotiate. Therefore, an optimal approach over all criteria
may not be available.
The following indicators are going to be used to evaluate each one of the
three approaches that have been initially considered to dominate the others,
based on the criteria described above:
‘-‘: mainly not met
‘0’: neutral
‘+’: mainly met
Table 2 - 7. Criteria assessment of different national emission targets and international emissions
trading approaches
Environmental
effectiveness
Multistage
Contraction and
Convergence
Global Tryptich
+ + +
Cost-effectiveness + 0 +
Distributional
considerations
+ - +
Escuela Técnica Superior de Ingeniería ICAI Carmen Bunzl Boulet Junio 2008