Public concessional funds flowing from developed to developing countries to address climate change are estimated to be USD 9-12 billion per year in 2008.14 Of this, funding for adaptation is estimated to be only a small fraction, annual financial flows for adaptation are estimated to be on the order of USD 100 to USD 200 million per year (OECD, 201 la, Corfee-Morlot et al., Each Member Country had its own interpretation of this concept and would not likely agree on a common baseline against which to establish additionality. The DAC has an active role to play in helping to clarify key concepts and relevant terminology, to facilitate a dialogue on this issue." ( See for example Enting and Ilarmeling 2011 and further discussion in Section 3.2.