Cactus Gum Could Be the Secret to Cheap, Clean Water for Everyone

Photo via kretyen

Millions of people lack access to clean water globally, and that lack of access - or rather, access to unsafe drinking water - kills as many as 15 people per minute. We have many options for filtering water, but a primary problem with clean water technologies is they're expensive and not simple to maintain once placed where they're needed. Yet, that could change. By using a cactus found commonly worldwide, a team of researchers have devised what could be a solution for access to clean water.

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