(FILES) Britain's Queen Elizabeth II (L) presents the 2019 Chatham House Prize to British broadcaster and biologist David Attenborough, at Chatham House in central London on November 20, 2019. 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 Eddie MULHOLLAND / POOL / AFP via Getty Images)