Arsenic pollution of drinking and irrigation water has emerged as a massive health threat in Bangladesh and India, where wells drilled into aquifers have turned out to be tapping poisoned water. When the water is used to irrigate rice paddies, arsenic also accumulates in the crop. According to one estimate, 3,000 people may be dying in Bangladesh each year because of arsenic contamination.
BUT good news is: Water contaminated with arsenic can be cleaned by growing ferns in it, US scientists say. For Ferns suck up arsenic quickly and cheaply.
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