A team of German-Swiss researchers found that microscopic plastic particles fall from the Arctic snow.
Researchers collect snow samples from the Svalbard Islands using a low-tech method – a dessert spoon and a flask. They found more than 10,000 of them per liter of melted snow.
BBC environmental analyst Roger Harabin is striving for the causes that cause it.
Read more: Plastic particles fall from the sky with snow