Tonga is an archipelago of about 170 islands, many of which are low-lying and spread across 800 kilometres.
Its vulnerability includes stronger cyclones, rising seas, and damage to food-producing land from storm surges.
Tonga is an archipelago of about 170 islands, many of which are low-lying and spread across 800 kilometres.
Its vulnerability includes stronger cyclones, rising seas, and damage to food-producing land from storm surges.