A simple, low-cost water testing kit could prevent huge numbers of
illnesses caused by tainted water. BBC Future talks to the 12-year-old
scientist who created it.
In 2014, a crisis took hold in the Michigan city of Flint, once a powerhouse of the US car industry.
The
city changed the source of its drinking water to the river which flowed
through Flint. Decades of heavy industry had contaminated the water
with lead, and lack of investment meant the water treatment plant
couldn’t filter the lead out of it. More than 100,000 people were told
their tap water was no longer safe to drink.
Surce: BBCNews
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