Above this "last stop before Antarctica" a huge hole has opened up in the ozone layer - exposing its inhabitants to the full effects of unfiltered sunlight. Here fishing is the life-line of the economy. But there is evidence that the changes in climate are spoiling the normally fertile waters of the Beagle Canal. Juan's nets used to be heaving with King Crabs, but now he and his colleague have to fish deeper and deeper for them. Meanwhile, residents are warned to stay in doors as much as possible and children must wear protective clothing and sunglasses. The midday sun can burn skin in only 5 minutes. Despite the obvious risks, sunscreen is not available. Governor Eduardo Barros urges world leaders to unite. "This is not only a Chilean problem... all countries near the South Pole will need to make the legal rights of their people a top priority".

Produced by ABC Australia