Do you run the faucet while you brush your teeth? Do you know that you are wasting the water? Whenever you turn on the faucet, think about how you’d feel if you had to carry that water from a well! Then you’ll remember not to run extra water while brushing teeth.
Is there litter around your school or at the park? Litter doesn’t look nice but some litter can be harmful to other creatures. Always put litter in the trash cans and be sure to recycle all the aluminum and steel cans. Look for the triangle, the plastic item can be recycled.
Even something as simple as using both side of a piece of paper can help the earth. When you are finished with a school worksheet, use the back of the paper for drawing or feed it back into printer to use for another worksheet. You can save electricity by turning off the computer or other electronics when they are not being used and don’t forget to turn off the lights when you leave a room.

People enjoy living in large cities. But cities have problems. One problem is that they frequently grow very rapidly. Transportation (26) complicated. There are a lot of cars, buses and bicycles. As a result, people are trying to improve the big cities, and they are also planning for new cities. Plan A is a large city (27) smaller cities around it. There is an open land with trees, fields, and lakes between the large city and smaller cities. Each small city is (28) . It has offices, schools, hospitals, and places of entertainment. In Plan B the cities are (29) by a road. In Plan C, the cities are in rings around the central city and all of them are connected to each other. The goal of all these plans is to limit the (30) of the large city.