Explanation Writing T4

This is my explanation writing for term 4. Or prompt was:m Write to describe one environmental problem and explain what people can do to reduce it's impact on the planet. I did not finish it. But in the coments, you could give me some ideas on how to improve my explanations. Here it is:

How to deal with pollution If you don’t no what pollution is it is when plastic gets into our waters. Pollution is really bad for the environmentle because it kills all of our fish that we eat so soon we will have no fish in the sea and that would be really bad for the environment. I am her to help you find some solutions for pollution  I have three solutions. The first solution that i have today is to stop using plastic bags you can use the cotton bags. The cotton bags are only one or two dollars. Having a cotton bags is good to have because it is reusable and you will not have to buy another bag. The second solution  that I have for you today is to stop throwing all of your rudish into the sea because that is what: is causing the pollution. The last but not least solution that I have for you today is