Marine pollution is a combination of chemicals and trash, most of which comes from land sources and is washed or blown into the ocean. This pollution results in damage to the environment, to the health of all organisms, and to economic structures worldwide.Click to see full answer. In this manner, how does pollution affect the ocean?Ocean pollution comes in many forms, but the largest factor affecting the oceans is plastic. Plastic kills fish, birds, marine mammals and sea turtles, destroys habitats and even affects animals’ mating rituals, which can have devastating consequences and can wipe out entire species.Also, how pollution in the ocean affects humans? Pollution does not only affect marine life and their environment, it also affects mankind. Chemicals such as oil, mercury, lead, pesticides, and other heavy metals can all be found within the ocean and can contaminate water supplies and our food chain by affecting the marine life involved. Also to know is, how can we stop pollution in the ocean? Here are seven ways you can make a difference. Reduce Your Use of Single-Use Plastics. Recycle Properly. Participate In (or Organize) a Beach or River Cleanup. Support Bans. Avoid Products Containing Microbeads. Spread the Word. Support Organizations Addressing Plastic Pollution. How does air pollution affect the ocean?Air pollution causes most short term measurable damage to the water quality when toxic chemicals fall from the air as dust, as a result of gravity or when rain rinses these chemicals to the ocean and water ways which lead to the ocean, commonly referred to as acid rain. The result is carbonic acid (H2CO3) or acid rain.