The world has been troubled by COVID-19 for over a year. Masks (口罩) are really important to everybody during the pandemic (疫情). We all wear masks every day. . This could become a big environmental problem.
In a study, scientists from the US and Denmark said that people around the world are now using 129 billion face masks every month.. What a large number it is!
According to Elvis Genbo Xu from the University of Southern Denmark, disposable (一次性的) masks are plastic products. . People think that they are a new kind of pollution.
. But we can't recycle masks. Scientists have called for setting up mask—only trash cans (垃圾箱) to deal with mask waste. . We believe that we can solve this problem in the near future though there is still a lot of work to do.
A. They also suggest that we use more reusable cotton masks.
B. Other plastic products are often recycled.
C. But we have to throw them away after a short time.
D. That is to say, we use 2.8 million masks every minute!
E. These used plastic masks can not only pollute the earth but also oceans.
