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720 million years ago, chemical reactions altered our planet's climate and sent temperatures plummeting, causing a deadly challenge for life on Earth. Don’t miss Ancient Earth – a story 4.5 billion years in the making. Find out where to watch 👉 Best of Earth Science: Best of BBC Earth: Ancient Earth (2023) Discover the astonishing four-billion-year story of the place we call home, told over five dramatic episodes. This revealing biography of Earth explores the planet’s most epic moments. From the first raindrops that turned it into a water world to the arrival of its most incredible inhabitants, us. But humans take a back seat in this narrative. Instead, Earth is placed centre stage. We see what happened to our world before we even crawled from the mud – including massive bombardments from space, extreme changes in climate and the collision of whole continents. The series uses the trademark dramatic storytelling techniques of The Planets to bring this unique story of creation to life. This is a channel from BBC Studios who help fund new BBC programmes. Service information and feedback:
