Sir David Attenborough, 93, has addressed the exact moment he realised that the future of the Earth is at stake, as he filmed on a coral reef in 1998 for his programme The Blue Planet.The documentary filmmaker noticed that the coral he was accustomed to seeing had died and it left him "frightened" about how the Earth will continue to survive going forward.David recalled: “I was diving on a coral reef [in 1998, while filming the landmark BBC series, The Blue Planet].“I slipped into the water thinking I would see what I was accustomed to seeing, but instead, I saw a white cemetery of coral that had simply died… That was truly frightening,” he added to this week's Radio TimesThe coral reef’s decay is the result of an average rise in sea.
Read more on express.co.uk