This Close-up guide introduces K–5 students to Sir David Attenborough, the British naturalist and broadcaster who has spent more than 70 years bringing the natural world to television audiences around the globe. Celebrating his 100th birthday in May 2026, Attenborough is best known for landmark series including Life on Earth, The Blue Planet, Blue Planet II, and Ocean, and for his role in raising public awareness of biodiversity loss, climate change, and ocean conservation. Differentiated across three reading levels — K–1, Grades 2–3, and Grades 4–5 — this guide includes a biographical timeline, discussion questions, vocabulary, and multi-state standards alignment covering Georgia GSE, North Carolina, New Jersey, Michigan, New York, and Common Core ELA, as well as aligned science standards.