During the Black Summer bushfires, Former NSW fire chief and long-time volunteer firefighter Greg Mullins emerged as a critical voice in the debate about how Australia should respond.

Now, in a new book, Greg is sharing his experiences from a career spent fighting fires and a warning of what’s to come.

On today’s episode, he breaks down what it’s like to face a mega-fire and shines a light on the hard truths of human-caused climate change and what we should do about it.

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