How Much Would Sea Levels Rise If All Polar Ice Melted?

Calcutta, Shanghai, London - Low-lying cities will get into trouble if sea levels continue to rise. Ice masses at the poles melting due to global warming are a major reason. But not all ice on the planet is the same. Global Ideas Climate Expert Anders Levermann explains which of the ice masses are relevant and how much sea levels would rise if all ice at or near the poles melted.

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