1. United Nations Framework Convention on Climate Change;UNFCCC,1992
2. Report of the Conference of the Parties on its Fifteenth Session, Held in Copenhagen from 7 to 19 December 2009. Part Two: Action Taken by the Conference of the Parties at its Fifteenth Session;UNFCCC,2009
3. UNFCC, 2015. https://unfccc.int/resource/docs/2015/cop21/eng/l09r01.pdf.
4. The Emissions Gap Report 2012;UNEP,2012
5. The Emissions Gap Report 2013;UNEP,2013