Combines thrilling stories of what it's like to be on the front line of Australia's first giga-fire with the hard truths of human-caused climate change, and what we do about it. Greg Mullins followed his father into fighting bushfires - it was in the blood. He fought major fires around Sydney and the Blue Mountains for decades, and studied bushfires in Europe, Canada and the US. He risked his life in the 1994 Sydney fires and, later, during our catastrophic...