Contraction and Convergence
Proposal for climate action / From Wikipedia, the free encyclopedia
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Contraction and Convergence (C&C) is a proposed global framework for reducing greenhouse gas emissions to combat climate change. Conceived by the Global Commons Institute (GCI) in the early 1990s, the Contraction and Convergence strategy consists of reducing overall emissions of greenhouse gases to a safe level (contraction), resulting from every country bringing its emissions per capita to a level which is equal for all countries (convergence).
This article needs to be updated. (March 2023) |
It is intended to form the basis of an international agreement which will reduce carbon dioxide emissions to avoid dangerous climate change, carbon dioxide being one of the most significant gases responsible for the greenhouse effect on Earth.[1]
It is expressed as a simple mathematical formula. This formula can be used as a way for the world to stabilize carbon levels at any level. Advocates of Contraction and Convergence stress that negotiations at the United Nations Framework Convention on Climate Change (UNFCCC) are governed sequentially by the 'objective' of the UNFCCC (safe and stable GHG concentration in the global atmosphere) followed by its organising principles ('precaution' and 'equity'). C&C is widely cited and supported.[2] The C&C calculus is now embedded in Domain Two of GCI's Carbon Budget Accounting Tool.[3]