18-year-old Perry Alagappan feted at World Water Week for his groundbreaking graphene heavy-metal filter, which he will keep open-source

Consumer electronics, including computers and mobiles, are leaving a legacy of toxic waste in countries including China and India. Recycling factories across Asia are recovering e-waste exported from around the world, but discharging heavy metals and chemicals into local water supplies in the process.

How to safeguard drinking water for local residents is an ongoing battle, with existing solutions such as chlorination, distillation, boiling and high-tech filtration prohibitively expensive and often reliant on fossil fuels.

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Source: The Guardian Circular Economy RSS