Ocean Pollution DBQ Did you know that every year, eight million metric tons of plastic is dumped or somehow ends up in the ocean (Doc. 1)? The following sentences will talk about what people are doing to pollute the oceans and how they are making the pollution better. Humans are the biggest threat to animals in the ocean because they litter so much (OI). Sometimes, people litter without even knowing they're littering. Humans can cause ocean pollution when they dump sewage in the ocean or on the beach (Doc. 2). The pollution that is put in the ocean will not only affect the ocean animals but can also affect humans (Doc. 2). When a fish eats plastic or garbage it becomes toxic (Doc. 2). If a person eats that toxic fish they will be very sick