by Liam Heneghan
By my quick calculation the population of Dublin city and its surrounding county, cannot be ecologically accommodated by the entire land mass of Ireland. Dublin spills over the borders of the country in which it is located.
This is how I arrived at this conclusion. The population of Dublin city and county combined is 1.273 million (1). According to footprint.org the average ecological footprint of an Irish person is 5.61 global hectares (22nd highest in the world) (2). An ecological footprint is a measure of the amount of land people live on and that is required to both furnish the resources needed for consumption and to absorb waste. The units used in footprint analysis (global hectares) is a measure of biologically productive hectare required to sustain people. Thus the total footprint of Dublin is 7.24 million hectares (population x average footprint). Since the total land mass of Ireland is only 7.03 hectares there is an overshoot of the population of Dublin beyond the borders on the country to which it belongs. The overshoot is at present about three percent. Dublin, it seems, needs to slim down a bit, perhaps quite a bit.
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