Plastic Pollution in Oceans:

In the ocean one of the main issue is plastic pollution such as having plastic in the ocean which endanger the marine life and animals. Since the plastic is a dangerous material it causes sea animals to be trapped and killed because when digested it stays in the stomach and creates toxins in their body that results in them dying. When exposed to the toxins in their body the effects can cause growth and reproduction.

https://www.bbc.com/news/science-environment-42920383