Fishermen on the beach with their catch including Bonito tuna, Tarawa, Kiribati, Pacific Ocean.The fragile atoll with a traditional way of life and home to approximately 92,000 people is under threat from rising sea levels. Several low lying islands experience flooding during the unusual high tides caused by the 'King Tides'. Greenpeace and scientists are concerned that low lying islands face permanent inundation from rising seas due to climate change.