Here, he reflects upon both the defining moments of his lifetime as a naturalist and the devastating changes he has seen.

Honest, revealing and urgent, this is a powerful first-hand account of humanity’s impact on nature and a message of hope for future generations.

This film, which was originally screened just after Covid where only a few people got to see it – two metres apart – will include a theatrically exclusive conversation between Sir David Attenborough and Sir Michael Palin.