Presented by Kate Humble and Dr Helen Czerski:

Every step of the Earth’s 940 kilometre, one-year journey around the sun is essential to maintaining life as we know it, giving us the ever-changing weather and seasons that transform our planet. In terms of maintaining life on our planet, 23° is truly the magic number. Without this unique tilt, our world would never experience climatic change – the equatorial regions would eternally roast, while the poles would be frozen solid. For the first time ever, this astonishing film charts the entire progress of Earth as it undertakes it's incredible annual journey. From stunning space imagery to in-your-face storm chasing, this series will showcase the incredible power of our seasons and weather, and what drives them to both incredible creation and devastating destruction.

From stunning space imagery to in-your-face storm chasing, this series will showcase the incredible power of our seasons and weather, and what drives them to both incredible creation and devastating destruction.

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