Released on his 99th birthday and presented in the context of his remarkable career, Sir David’s authority is matched only by nature’s grandeur in this visually stunning film

A visual marvel like all his work, governed by his own matchless authority and striking a steady tonal balance between warning and hope, David Attenborough’s new film about the oceans is absorbing and compelling. He makes a passionate case against the ruin caused by industrial overfishing and the sinister mega-trawlers which roam everywhere, raking the seabed with their vast metal nets, brutally and wastefully hoovering up fish populations of which the majority is often simply thrown away, depleting developing countries and fishing communities of their share. Attenborough says that this is the new colonialism. The film is released in cinemas in anticipation of the Un’s World Oceans Day in June, which is campaigning for 30% of the world’s...