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Podcast: The Climate Question
Episode: Is the race for rare earths good for the planet?
Description: Rare earths have been described as the oil of the 21st century, incredibly valuable both economically and in the fight against climate change. There's a battle underway around the world to mine and control these minerals - a battle that is currently being won by China. As demand rises, the problems with rare earths are also becoming clearer because getting them out of the ground requires strip mining and the use of poisonous chemicals.BBC China Correspondent Laura Bicker has seen this environmental impact first hand on a visit to the rare earth hubs of...