🇬🇧 UK scientists use graphene filter to make dirty water drinkable | Al Jazeera English

Water scarcity is one of the biggest problems facing humanity in the next few decades.

The United Nations estimates that in 30 years a quarter of the world's population will lack access to clean water.

Some countries are already dealing with severe shortages.

Scientists in Britain say they may have come up with a solution.

Al Jazeera's Laurence Lee reports from Manchester, UK.

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(Source: Al Jazeera English, https://www.youtube.com/watch?v=72-BtFy2In0)