• At present,Hong Kong people usually waste paper and plastic bags.

• During 1960s-1970s old people used waterweed to bunch the things they bought in the market.

• It was an environmentally-friendly method.However, some people thought that the use of waterweed was trouble.

• The supermarket suggest to use plastic bags because of the inconvenience of waterweed.

• However,using plastic bag harms the environment since they cannot be decomposed.

• Nowadays people are more concerned the environment, so they suggest to use recycle bags.

Recycle bags have many advantages.For example , they can be reused time and again.

• Besides, they can hold more things than plastic bags and waterweed.

• Also they can be decomposed so they will not harm the nature.

• With so many advantages of using recycle bag , this should be widely promoted.

• Therefore, our environment will be better reserved.

• Apart from using less plastic bags, we can protect our place in other ways.

• The reuse of paper should also be promoted.We can use both sides of paper.

• We can take the used paper to the recycle bin.

• Moreover, we can recycle the cans and bottles in the same way.

• With these methods, Hong Kong can be preserved as a beautiful Harbour.