Conditional I

If we … the air with our cars , we … serious illnesses in our future life.

If we … plastic bottles to a bottle bank , they … to recycle them.

If people…. trees , animals… in danger.

If people …. places where animals live , they….to safe them.

Rainforests…. disappear if we … cutting the trees.

If we … away rubbish everywhere, many rivers and lakes … polluted.

If we .. a lot of water , we … enough in the future

If you … care about the environment, you … save it

If I … throw it away , … it harm the environment?

If you … the tap while washing up, you … waste too much water.

Flowers …die if you … water them

We … go for a walk if the weather .. fine.