"When climate activist Greta Thunberg was eleven, her parents, Malena and Svante, and her little sister, Beata, were facing a crisis in their own home. Greta had stopped eating and speaking, and her mother and father had reconfigured their lives to care for her. Desperate and searching for answers, her parents discovered what was at the heart of Greta's distress: her imperiled future on a rapidly heating planet. Steered by Greta's determination to...