“We keep putting on programmes about famine in Ethiopia; that's what's happening. Too many people there. They can't support themselves - and it's not an inhuman thing to say. It's the case. Until humanity manages to sort itself out and get a coordinated view about the planet it's going to get worse and worse.”

English broadcaster, naturalist and writer

Sir David Attenborough is an English broadcaster, naturalist and writer, born in 1926. His presenting career began with Zoo Quest in 1954 and has continued for seven decades, making him a familiar voice and on-screen guide to the natural world. He is known for landmark television work that includes The Life Collection, Natural World, Wildlife on One, the Planet Earth franchise, The Blue Planet and Frozen Planet. Over the years he has also received many honorary degrees and awards, including three Primetime Emmy Awards for Outstanding Narrator and one Daytime Emmy Award for Outstanding Daytime Personality, Non-Daily.