• More than 1.5 billion masks believed to have entered oceans in 2020 https://www.thedenverchannel.com/news/national/more-than-1-5-billion-masks-believed-to-have-entered-oceans-in-2020 4 comments 11/6/2021 worldnews
• More than 1.5 billion masks believed to have entered oceans in 2020 https://www.tmj4.com/news/national/more-than-1-5-billion-masks-believed-to-have-entered-oceans-in-2020?fbclid=iwar2z9eh8klgqtkud_bg4vedcxdh3rtjdsi_wb2al9pqus7kwrdz8usxdzi8 18 comments 27/12/2020 nottheonion