To gather more information, we need to do________.

 “Why do you often forget to ______the lights when you go out of the classroom?”

 If people turn off all electric appliances in one hour all over the world, they can save lots of ___________.

“Reduce, reuse, recycle” is said to encourage people to waste less, by using less and using things again, in order to _________the environment.

If we use __________paper, we will save a lot of trees.

___________ is destroying large areas of tropical rain forest.

It is a good idea to _________our clothes with our friends or cousins.

If we ______waste paper, we will save a lot of trees.

“Don’t throw rubbish into the river because you will make it ________________“

You shouldn’t use plastic bags to _____ food.

If we all use _________bags, we’ll help the environment.

You should put the food in a reusable box __________plastic bags.

Match the words with suitable pictures

1. air pollution   

2. noise pollution

3. soil pollution   

4. water pollution

5. deforestation   

My brother and I will give last year’s clothes to ___________instead of throwing them away.

We should give food for people _________ need to help them.

If there is a rubbish bin in every class, the classroom will become ______.