Conflagrations increase as temperatures rise

Every summer, and increasingly every spring, we're frightened by the onset of another bushfire season. Habitats, properties and lives are at stake.

It doesn't help that new research points to 'extreme' blazes—fires that burn more than 100,000 hectares over the course of a week or so—becoming more frequent.

A century ago, such conflagrations hit Victoria every 15 years. Since 2000 that interval has shrunk to between one and five years

Visit Radio National for the story - “Extreme bushfires and why they're becoming more frequent in Australia.”