1. We pollute the air. – We change the climate. Ex. 5 p.79
When the air is polluted, the climate is changed.

2. We throw away plastic bottles. – We damage nature.
When plastic bottles are thrown away, nature is damaged.

3. We leave litter in the forest. – We hurt animals.
When litter is left, animals are hurt.

4. We leave glass bottles in the forest. - We hurt animals and people.
When glass bottles are left, animals and people are hurt.

5. We throw litter in the river. – We pollute water.
When litter is thrown in the river, The water is polluted.

6. We break trees. – We disturb animals.
When trees are broken, animals are disturbed.

7. We leave a fire. – We destroy the forest.
When fire is left, the forest is destroyed.