There are three main sources of plastic in the ocean. One is storms that wash plastic buried on land into the sea. Second, a few people in the shipping industry lack environmental awareness and dump plastic waste into the sea. The third is all kinds of maritime loss accidents, the cargo ship encountered a storm at sea, the container on the deck fell into the sea, the plastic products will become the sea "vagrant".
According to the statistics of Marine garbage monitoring in 2008, human activities on the coast, recreational activities, shipping, fishing and other Marine activities are the main sources of beach garbage, accounting for 57% and 21% respectively. Human coastal activities and recreational activities and other discarded objects were the main sources of floating garbage, accounting for 57% and 31% respectively.