Воткнуть слова:recycle,pollution,disappearing,help,organization,ecology,danger,cut

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 worlds biggest air