Water is already starting to get pollute and it is not going to get any better unless we do something if our water gets polluted animals will start to die very quickly some ways we are polluting the water is by factories they always have pipes that lead into rivers and pollute the water.
Also there are oil spills they don’t happen often but when they do they can kill thousands of animals and cover hundreds of miles of ocean water and makes it’s way to shore and kills birds and seals and other animals that live on the sea shore.