The vast Pacific Ocean and the islands dotted within it produce more than half of the world's tuna. Among the islands are 33 scattered across the centre that encompass the country of Kiribati. Here more than 70% of government revenues come from selling tuna fishing licenses to foreign fleets - the highest proportion of any nation. Kiribati has a tiny land mass. When all the islands are combined it is about the size of New York City. However, it has a huge swathe of territorial waters, otherwise