As all countries take actions to reduce emissions the unresolved question is to what extent fairness will be the basis for international cooperation International cooperation for a global approach to climate change continues to tweak a failing system arrived at in 1992 rather than seeking a new framework and developing a vision for 2032. The unresolved issue is not agreement on a definition of equity, or even whether negotiations should start now for a new Protocol, but whether political decisions on equitably sharing the global commons (a new paradigm) are a precondition for agreement on a global rule-based system, or, incremental steps to develop a rule based system on the basis of the climate treaty (the old paradigm) will lead to equitable outcomes. Read the full article by Mukul Sanwal.