a clean water solution for Bangladesh’s arsenic poisoning crisis – BBC News

Human Rights Watch says up to 20 million people are at risk from arsenic poisoning in Bangladesh where millions of people have suffered from what it calls “the biggest mass poisoning in human history”. But could these purifying beads made out of resin be the answer? The social entrepreneurs behind Drinkwell have created a clean water solution for Bangladesh’s arsenic poisoning crisis. But what’s their secret?

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