Dozens of young adults on TikTok are vowing to throw out their e-cigarettes and quit vaping - but not for health reasons.
"In my effort to help [the Democratic Republic of] Congo, I'm quitting vaping," Micah Ndango, who has been vaping for five years, says in a video that has been viewed more than 15,000 times.
"My sister just took my last vape so I'll be documenting my vape-quitting process on here," the 21-year-old pledges.
DR Congo, a central African country, is the world's main source of cobalt, a key component of the lithium-ion batteries used in mobile phones, electric vehicles and many models of e-cigarette.
It is also home to more than 100 million people and currently faces what the UN says is one of the "largest humanitarian crises in the world".
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