We must ________ animals in the forest so they can live safely.
protect
We should ________ paper, cans, and bottles instead of throwing them away.
recycle
Throwing rubbish in the river can ________ the water and harm fish.
pollute
Smoke from cars and factories can -------- the environment and make people sick.
damage
Some people ________ their trash instead of using bins, and this creates smoke.
burn
It’s important to ________ our planet so future generations can enjoy it.
look after
Many people ---------water by leaving the tap on while brushing their teeth.
waste
Volunteers (people who help without getting paid) went to the beach on Saturday to--------- the plastic and bottles left in the sand.
clean up
If we cut down too many trees, birds and other animals may ________.
disappear
Changing people’s habits, like using less plastic and turning off lights, can help ------------- environmental problems.
prevent