Sir David Attenborough, renowned for his profound connection to the natural world, celebrates his 100th birthday, having dedicated 70 years to wildlife documentaries. His work has profoundly influenced how we perceive nature. Here are six documentaries to watch in his honor. 'Ant Mountain: The Colony Beneath Your Feet' reveals the complex civilization of ants, urging viewers to reconsider their everyday surroundings. 'The Year Earth Changed' captures the unexpected environmental recovery during the COVID-19 lockdowns, prompting reflection on humanity's impact. 'Extinction: The Facts' confronts the reality of biodiversity loss with stark statistics and emotional gravity. In 'Attenborough and the Jurassic Sea Monster: Deep Time, Surfaced,' he personally engages with paleontological discoveries, blending science and wonder. 'Ocean with David Attenborough: The Last Frontier' emphasizes the ocean's vital role in sustaining life, showcasing breathtaking underwater footage. Finally, 'Dinosaurs: The Final Day with David Attenborough: Hour by Hour' reconstructs the last day of dinosaurs with scientific precision, narrated with the same seriousness as contemporary events. These films not only celebrate Attenborough's legacy but also serve as a call to action for environmental stewardship.