The politician, the government officers and the policy makers must listen to the scientists the results of researches, and their prediction. Don't just listen to the businessman. The public too must have the scientific thinking and listen to the advice of the scientists.

http://edition.cnn.com/interactive/2016/12/world/midway-plastic-island/

One study found that man-made marine debris may cause "physical harm" to humans when ingested via seafood. Another estimated that Europeans who eat shellfish could be exposed to11,000 pieces of micro-plastic each year.

What science hasn't proven yet is whether the plastic in the fish we eat directly damages our health. But it's getting there, and the case for real government concern is growing.