In a world that seems so troubled, how do we hold on to hope?Looking at the headlines—the worsening climate crisis, a global pandemic, loss of biodiversity, political upheaval—it can be hard to feel optimistic. And yet hope has never been more desperately needed.In this urgent book, Jane Goodall, the world's most famous living naturalist, and Douglas Abrams, the internationally bestselling co-author ofThe Book of Joy, explore through intimate and thought-provoking dialogue on