Air pollution. It exists all around us, and most of us know what it can do, but do we know what we are doing to fight it?
My letter is about pollution and I think we should learn how to recycle all types of materials
This letter is about how our factories are hurting our environment. We can make various things that will make less burning oil.
The water pollution is not only affecting us human beings, it also affects all the animals on Earth.
