Ecology presentation. Pollution.

I need a presentation about pollution. It shouldn’t be too big or too complicated. Just 2-3 pages. The theme is “pollution”. The next questions should be discussed.

What is pollutant? what is pollution? What are the kinds of pollution? Why did I choose this theme? 

how does pollution influence peopl’s health? what is the connection between wate, air and soil pollution? Why the problem of pollution is so popular and important nowadays? How can we decide it?

also the presentation should include the methodology, literature review, references. APA 6th addition format.