Up to 220 million people globally may be at risk of arsenic-contaminated water
A new map highlights possible hot spots of arsenic contamination in groundwater
Argentina (Misiones province, shown) is a known hot spot of arsenic in groundwater. A new map reveals other possible problem spots around the world.
agefotostock/Alamy Stock Photo
As many as 220 million people around the world may be at risk of drinking arsenic-contaminated groundwater, a new study finds.