Hazardous chemicals have been found in rainwater all over the world, including as far away as Antarctica and Tibet.
Scientists from Stockholm University have discovered dangerous chemicals in rainwater collected from around the world. We are talking about perfluoroalkyl and polyfluoroalkyl (PFAS). New Atlas reported this.
Researchers have shown that over the past 20 years, many PFAS chemicals have been phased out of production after a large amount of evidence was collected indicating potential toxic effects on human health.
But these are very long-lived chemical compounds, and just because they’re no longer used doesn’t mean they’re gone from the environment.
According to scientist Jan Cousins, there has been a recent decrease in the content of PFAS in drinking water.
“For example, drinking water regulations for a known PFAS substance, the cancer-causing perfluorooctanoic acid (PFOA), have dropped 37.5 million times,” he said.
But scientists suggest that even close to zero levels of this acid in drinking water can have negative health effects throughout a person’s life. This will make rainwater unsafe to drink anywhere.
“Many people on the planet drink rainwater, because for some it is almost the only source of drinking water,” Cousins said.
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Source: korrespondent
