In this unique feature documentary, the celebrated naturalist reflects upon both the defining moments of his lifetime and the devastating changes he has seen in the natural world. The film addresses some of the biggest challenges facing life on our planet, providing a snapshot of global nature loss in a single lifetime. With it comes a powerful message of hope for future generations as Attenborough reveals the solutions to help save our planet from disaster. His message comes at a critical time, when nature is sounding its alarm for united action.