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Universal regimes with a predefined emission target - Contraction and Convergence
"Of all the regimes, the ‘contraction and convergence’ regime has been analysed most often. The most crucial reason is its simple formulation - which makes it a good reference for any form of allocation. The first step in the 'contraction and convergence’ regime is to establish a long-term global emission profile. Then emission rights are allocated so that the per capita emissions converge from their current values to a global average in a specified target year [Meyer 2000]."
"Global Climate Governance Beyond 2012" on C&C
Frank Biermann, Philipp Pattberg, Fariborz Zelli