Fire is a chemical reaction—here's why Australia is supremely suited to it

Over the last 15 million years, Australia has slowly dried out. After humans arrived more than 65,000 years ago, they learned to use fire to their advantage. Today, fire weather is getting more frequent—and fires are following as the world heats up. This month, fires have flared in Victoria, destroying 46 houses, while Western Australia endures a heat wave and braces for potential fires.