How 'Modern-Day Slavery' Powers The Rechargeable Battery Economy : Fresh Air Phone and electric car batteries are made with cobalt mined in the Democratic Republic of Congo. Cobalt Red author Siddharth Kara describes the conditions as a "horror show."

Justin Chang reviews the Belgian film Close.

How 'Modern-Day Slavery' Powers The Rechargeable Battery Economy

How 'Modern-Day Slavery' Powers The Rechargeable Battery Economy

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Phone and electric car batteries are made with cobalt mined in the Democratic Republic of Congo. Cobalt Red author Siddharth Kara describes the conditions as a "horror show."

Justin Chang reviews the Belgian film Close.