需要的数据有：
- 近 5 年废弃口罩的数量
- 近 5 年海洋塑料污染的程度
- 近 5 年海洋动物的数量变化
目前只找到 2 则报道，可是没什么原始数据来源：
- More than 1.5B masks will pollute oceans this year: report
https://nypost.com/2020/12/28/more-than-1-5b-masks-will-pollute-oceans-this-year-report/
- More than 1.5 billion masks believed to have entered oceans in 2020
- 1 篇讨论如何处理废弃口罩的论文，但数据太少了：
Environmental challenges induced by extensive use of face masks during COVID-19: A review and potential solutions - ScienceDirect
https://www.sciencedirect.com/science/article/pii/S2667010021000184
- 欧洲海洋生物数据
Search results
https://cds.climate.copernicus.eu/cdsapp#!/search?type=dataset&text=marine
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