Attenborough continued that while he wasn't wholly veggie, he eventually became 'much more vegetarian' than he thought he would. He admitted he still enjoyed cheese and fish, but had mostly kicked beef and pork. What does science say about red meat? Sir David Attenborough has cut out red meat in his latter years (Dave Benett/Getty Images) In late 2023, Sir David Attenborough spoke about the environmental benefits of eating a plant-based diet in Planet Earth III. The legendary broadcaster and historian does not seem to eat a fully vegan diet, though he does advocate for veganism. Attenborough has championed nature and environmental. David Attenborough had admitted to becoming “much more vegetarian” over the years Image credits: Getty/Danny Martindale Throughout his eight-decade career, which began in 1954 with ZooQuest and earned him four Emmy Awards, Attenborough has often championed planet-focused principles. David Attenborough David Attenborough's 'long life' diet as he turns 100 in a few days His decision to cut one food from his diet could be the secret behind his remarkable health and longevity Sir David Attenborough turned 100 on May 8, 2026. He says a mostly plant-based diet is one of his keys to longevity. But by and large, I’ve become much more vegetarian over the past few years than I thought I would ever be.” In a 2023 episode of Planet Earth III titled Human, Attenborough spoke out about the environmental impact of animal agriculture and encouraged people to adopt a more plant-based way of eating. 99-year-old David Attenborough, who is set to reach an incredible milestone next year, has previously lifted the lid on his diet and health habits. While the beloved broadcaster and historian has. David Attenborough Turns 100: 4 Habits That Helped Him Live a Long, Healthy Life The acclaimed nature documentary filmmaker has adopted lifestyle habits that can boost health and longevity. Sir David Attenborough is now officially a centenarian, with the British broadcasting legend attributing his longevity to a little-known diet change. Today (8 May), Attenborough celebrated his 100th birthday - a milestone moment which the BBC have honoured with a slate of new shows. Making Life on Earth - Attenborough’s Greatest Adventure, Secret Garden and David Attenborough's 100 Years on. Sir David Attenborough says the planet simply cannot support billions of meat-heavy diets - but is he vegan, plant-based, or vegetarian?.