Drawing on a career of environmental reporting and over two years of travel to the front lines of climate migration across the globe, an award-winning science journalist, in this urgent call to action, discusses the underreported, seismic consequences of climate change and how it will reshape humanity.

"Mary Roberts is a poor gutter child living in a council flat in 1950's London. When she and her sister are left at an orphanage by their mother, they don't think their lives can get any worse. Harry Evans is an orphan who finds himself, with Mary and her sister, on board a ship bound for Australia. They're sent to a farm school for children, where abuse and neglect are rife. A journey that will change their lives forever, and from which they'll never...