Dangerous Cobalt Mines in Congo Pose Challenges for Big Tech

The following video is brought to you courtesy of the Wall Street Journal YouTube Channel. Click the video below to watch it now.

Tech companies are trying to clean up the way they source​ cobalt,​ a key ingredient in batteries for smartphones​, laptops and electric cars​. The mineral is often dug by hand under hazardous conditions in the Democratic Republic of Congo​. Photo: Alexandra Wexler/The Wall Street Journal

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