nt. when they get home, they throw the plastics way, paying no attention to the environment. the more convenience plastics brings to us, the more 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 becomes old. the old tyres become waste because it can’t break down by nature. this is really a big problem.
organic waste: it refers to waste from living things, including waste from animals, plants and people. some parts of vegetables are thrown away as waste because they don’t taste good. in the past, people cooked their food using burning coal, so there left the burned coal, which is useless, like the thrown vegetables. all this sorts of waste contain organism,