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plastic waste is produced. this is called “white pollution” as most plastics are white. some of our products we use every day are made of rubber, just like the tyres and the bottom part of our shoes. it’s true that rubber plays an important role in our life. however, it also brings us some trouble when it has been used for a long time and bees old. the old tyres bee waste because it can’t break down by nature. this is really a big problem. 篇三 hello: everyone!now i want to talk about a beatiful world! when i was young,i always dreamed that i lived in a beautiful country. there were many flowers and trees around our counld hear the birds singing and see the children dancing. the streets were clear and the the air was very fresh! how nice it was!but that only was a dream of mine!how i wish that it would be e true! so i think we should do something to protect our environment. everyone should make a contribution to protect the environment. taking care of our environment is very you live,you can do something around your neighbourhood. have you ever thrown any litter onto the ground?have you ever drawn pictures on public walls?have you ever spat in a public place?have you ever cut down trees?if your answers are no,it means that you have already helped protect our environment. it is our duty to keep our envionment clean and tidy. you might ask yourself,have i ever picked up some rubbish and thrown it into a dustbin?have i ever collected waste paper or bottles for recycling?have i ever planted any trees or flowers in or n