Sir David Frederick Attenborough ( AT-ən-bər-ə; born 8 May 1926) is an English broadcaster, naturalist and writer. His presenting career began as host of Zoo Quest in 1954, and has spanned seven decades; it includes the nine documentary series forming The Life Collection, Natural World, Wildlife on One, the Planet Earth franchise, The Blue Planet and Frozen Planet. He is the only person to have won BAFTA Awards in black-and-white, colour, high-definition, 3D and 4K resolution. Over his life, he has collected dozens of honorary degrees and awards, including three Primetime Emmy Awards for Outstanding Narrator and one Daytime Emmy Award for Outstanding Daytime Personality – Non-Daily. Attenborough held senior management positions at the BBC, working as controller of BBC Two and director of programming for BBC Television in the 1960s and 1970s. While his earlier work focused primarily on the natural world, his later work has been more vocal in support of environmental causes. He has advocated for restoring planetary biodiversity, limiting population growth, adopting renewable energy, mitigating climate change, reducing meat consumption and setting aside more areas for natural preservation. On his broadcasting and passion for nature, NPR stated that Attenborough "roamed the globe and shared his discoveries and enthusiasms with his patented semi-whisper way of narrating". He is widely considered a national treasure in the UK, though he does not embrace the term.