How to turn your climate gloom into action

From the best of What On Earth – You’ve got climate questions, Hannah Ritchie has answers. She’s “Clearing the Air” in her new book, drawing on her expertise as a data scientist to delve into some of the common — and not so common — queries that come up in climate conversations. Her goal isn’t just to shift opinions on climate action, but to also to spark hope at a time when it may feel like the climate fight is a losing battle.