Climate change is likely to compromise the habitability of many Pacific Island locations in three ways: reducing land security (a place in which to live); decreasing livelihood (e.g. subsistence and cash incomes); and diminishing habitat security (e.g. healthy and safe environments). These reductions in the island life support systems are likely to be drivers of induced (voluntary) or, in the most severe circumstances, forced migration. Pacific Island people have a long history of migration, and (to varying degrees) several countries have migration access to Pacific Rim countries. However, some of the countries that are among those likely to be most seriously affected – including Papua New Guinea, Tuvalu and Kiribati – have a very restricted range of migration options. A key issue in the Pacific is the relationship between the people and their land, which in most parts of the region is believed to be mutually constitutive. The loss and damage caused by rupturing this bond are incalculable.
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