6.+Research


 * __Research__ **


 * __landfill__ **



= landfills are huge holes in the ground left by gravel pits and quarries. The hole is gradually filled with waste from homes industry. Each day tractors squash the waste down so that it is compacted with no holes. Once the hole is full the top is covered with a layer of soil dirt it can be used as playground, golf course and park. =
 * Methane gas is produced by landfills. It is one of the "Green house gases. It causes many problems. It will cause damage to the environment if it is left to leak of our rubbish tips.**

** The four 'R's ** There are four main ways to reduce the amount of rubbish that ends up in **landfill** sights. They are sometimes called the four 'R's. Refusing means to say 'no' to as much packaging as possible. For example, people can refuse plastic bags when they go shopping.
 * Refusing**

**Reducing** Reducing means using less of things that will ends up as rubbish. For example, we can write or draw on both sides of each pieces of paper we use so that we reduce the amount of rubbish. ** Reusing ** Reusing means use it more than once rather than throwing it away.We can wash and reuse plastic drink bottles.

** Recycling **
Recycle means to change a used materials so that something new can be made from it.For example, oldglass jars and bottles can be crushed and used to make new glass. Used paper can be processed to make new paper. = __Plastic Facts__ = ===**New Zealanders** use around three million plastic bags a day. That is over a billion each year. Up to 100 000 marine animals,mostly whales ,seals,and turtles,die each year around the world after eating or becoming tangled in plastic bag.===