(FILES) Britain's King Charles III (R) meets British broadcaster and biologist David Attenborough upon his arrival to attend the World Premier "Ocean with David Attenborough" at the Royal Festival Hall, in London, on May 6, 2025. David Attenborough, a leading voice on climate change and biodiversity loss, whose landmark documentaries transformed popular understanding of the natural world for a global audience, is set to mark his 100th birthday on May 8th. (Photo by Alastair Grant / POOL / AFP via Getty Images)