1Many pollution prevention opportunities are available to schools. Below is a list of some things schools can do:
Purchase less toxic cleaning supplies. Use double-sided copies. Set all computers to print double sided. Join the Clean Air Zone Program and actively encourage parents to adhere to the signs by no idling. Use energy-efficient fluorescent lights and properly recycle them when they are spent. Start an alternative transportation program at school to encourage biking, walking, or carpooling. Turn off lights when not in use. Use recycled products and other environmentally friendly products. Plug holes and caulk windows to stop heat loss. Lower the thermostat during unoccupied hours. Turn off all machines when not in use. Fix leaks in faucets and pipes. Only run the dishwasher when it is full. Use water-efficient and native landscaping. Water school grounds in the morning or in the evening to prevent evaporation. Do not over water. Use a minimal amount of fertilizers and pesticides and follow directions. Find natural alternatives if possible. Use non-chemical pest control methods such as swatters for insects and mechanical traps for mice. Use integrated pest management. Start a Chemical Roundup Program to properly dispose of old and potentially hazardous materials and prevent the accumulation of chemicals in the future.
2.Mobile phone is a good technology which is not lacking from our lives. This report will discuss the advantages and disadvantages of using mobile phones.
Today, mobile phone has become popular to everybody [This is an over-generalization: many people do not like them. Use "most people" or something similar] since it is very convenient. The most advantage of having a mobile phone is you can communicate to your family and your friends no matter what where you are. For instance, you can contact easily to your friends by calling or sending messages everywhere without electricity. It is maybe the main reason why almost all [good, but still, is it true?] people today choose to own a mobile phone. From the customer’s point of view, it is obvious that mobile phones assist you in business a lot, such as, make schedule of working, surf the internet, and keep in touch with their companies. Moreover, you can relax with mobile phone’s applications, for example, play games, listen to music, or chat with your friends.
On the other hand, there are also disadvantages. Using a lot mobile phone can harm your brain, particularly teenager and children who are under 16 years old. If you use mobile phones too much, you will get bad effects like dizzy, blood-brain barrier [the blood-brain barrier is simply the normal anatomical barrier between the bloodstream and the brain; it's not a condition] , or ears problems. In addition, when you use mobile phones while you are driving, you will get an accident. It is essential not good for you and others. Moreover, “radiations emitted from the phone are dead harmful for the eardrum”, has proved by many scientist.
[You haven't discussed the irritating effect on other people in restaurants, buses etc. from users shouting down their phones].
Owning a mobile phone in your hand is you can solve many issues and hold most of information around the world. Even though is not good for your health and you have to protect yourself from bad effects of mobile phones if you choose to have one.
