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Climate change is upon us. The fourth assessment report of the Intergovernmental Panel on Climate Change clearly describes the evidence of a changing climate (IPCC 2007a, b). Although scientists disagree about the extent to which these changes will happen, they do agree that there have been and will be changes in average climatic conditions, there will be changes in the frequency and intensity of weather hazards, already variable climates will become less predictable, and there is considerable uncertainty about the distribution and impact of these changes. Actions to reduce the human contribution to the changing climate are slowly happening, but they so far seem too few and too limited to make a significant difference to the climate change scientists predict. What has become clear is that people from all countries, from all income levels, and irrespective of capacity to do so, will have to adapt to these changes …