There is no agreed definition of a climate change refugee, according to Future Floods of Refugees, a Norwegian Refugee Council report, but there is a long history of displacement due to environmental degradation. In his Guardian blog, editorialist George Monbiot and others have picked up on the planned movement of the population of the Carteret Islands (Papua New Guinea) to Bougainville Island, which lie to the northeast of Papua New Guinea (Google map).
It is reported that the low-lying coral islands are being innundated during storm tides making the subsistence gardening of their residents impossible. Dan Box plans to blog the move over the next months. Although the process has been ongoing since 2003, there are funding problems for residents who are all forced to re-establish themselves anew.