'I am hopeful for the future, because although nature is in crisis, now is the time for action.'For 70 years, David Attenborough's soothing voice has brought the magic of nature to our TV screens, teaching millions around the world about beautiful animals and the climate crisis that endangers them.David Attenborough Lines to Live By is a celebration of Sir David's impact on the natural world and will inspire everyone to appreciate and protect the fragile world around us.