請狠評my english writing

Question:You have to write a letter to the editor to express your view on the aspects. Yo u may talk about why you are concerned about the issue, the cause, the effect and the solutions. No write less that 400 words.

Writing:
Dear Sir/Madam,
I am writing to express my opinion of "food waste". Hong Kong people throw away 3000 tones food everyday, which is equals to the weight of 126 double-decker buses. Furthermore, the government use $2.4 million per day to handle this "rubbish". If we do not tackle this problem, not only the landfills will full very soon, but also the government cannot use this money to resolve other problems. Therefore, we must do something before it is too late.
There are two causes why the Hong Kong people wasye so much food. At the beginning, there are nit big enough facility to recycle all the leftovers we produce. At the moment, there are only one facility in Hong Kong that recycles food waste into animals feed. The quantity it can tackle is far less than the quantity that the Hong Kong people throw leftovers everyday. As such, there are only a little food can be recycle, many food are waste in Hong Kong.
Moreover, the shop's worry. Some shops want to donate some food which hasn't passed through the expire date to charity. However, they worried that if the food become bad when it is in transport, and the food has been eaten afterward, that person may feel sick and the shop which which donate that food have a liability to compensate that person's suffer.It makes the shop suffer loss. As such, the shops prefer to throw the food into rubbish bin rather than donate the food to charity, it leads the landfills have more edible food.