Вставить слова:
recycle,pollution,disappearing,help,organization,ecology,danger,cut down,polluters,littering.

… is a big problem in our cities.

People can … rubbish instead of throwing it away.

… is very dangerous for people, animals and birds.

Many species of animals are … .

It is necessary to … wild animals.

Greenpeace is an … that fights to protect the environment.

Many people are concerned about the … today.

The seas and rivers are in … .

People need wood and paper so they … forests.

Cars are the world’s biggest air …

1)ecology2)recycle или disappearing3)pollution4)danger5)help6)organization7)recycle или disappearing8)littering9)cut down10)polluters