May 8, 1926 – Sir David Attenborough is born in London, later becoming a globally recognized natural‑history broadcaster whose work shapes public understanding of the planet [1].

1979 – He creates and presents the landmark series Life on Earth, pioneering modern natural‑history television; the new documentary Making Life on Earth later revisits its production challenges, including a coup in the Comoros and a gunfire incident [1].

Dec 18, 2025 – Attenborough returns to his home city in the one‑off documentary Wild London, which showcases urban wildlife—from pigeons on the rail network to a canal snake colony—and highlights the Ealing Beaver Project as a model for city‑wide ecological renewal; “Attenborough could live anywhere but has always come home to London,” says executive producer Gaby Bastyra [2].

Dec 2025 – London Wildlife Trust’s David Mooney stresses that “people must notice nature; if they come to love it, they’ll want to protect it,” framing the film’s conservation message around everyday observation and care [2].

Feb 19, 2026 – The BBC announces a week‑long celebration of Attenborough’s 100th birthday on May 8, featuring three new programmes—Making Life on Earth (a behind‑the‑scenes look at the 1979 series), Secret Garden (a five‑episode tour of Britain’s backyard biodiversity), and a live concert‑style event “David Attenborough’s 100 Years on Planet Earth” at the Royal Albert Hall; “Attenborough’s programmes have defined natural‑history broadcasting and inspired global curiosity and care for the planet,” says commissioning head Jack Bootle [1].

May 8, 2026 (week) – The BBC airs the birthday programming week, rebroadcasting classic series such as Planet Earth, One Planet, Blue Planet, Frozen Planet, and the recent Wild London special, while premiering the new documentaries and hosting the Royal Albert Hall concert, thereby cementing Attenborough’s century‑long influence on environmental storytelling [1].