https://phys.org/news/2018-06-blame-marine-litter.html

The results were among the findings of a Europe-wide study which asked more than 1,100 members of the general public about their attitudes to marine litter.

It showed more than 95 per cent of people reported having seen litter when they visited the coast, and such experiences were associated with higher concern and a willingness to adapt personal behaviour to address the problem.