One of the most serious [ ]
is air [ ]
as it has a direct influence on our health.

We saw a painting by a famous artist in the art gallery depicting a lowland area: there was a [ ]
with tall shrubs, moss and reeds. Another painting showed a magnificent [ ]
with flowering herbs at the [ ]
of a mountain.

Due to various environmental problems caused by human activities more and more [ ]
animal species are appearing. Their population tends to reduce drastically making them more and more [ ]
.

Some people choose to buy electric cars without petrol engines which makes them more [ ]
since they do not contribute to [ ]
emissions.

The use of alternative [ ] sources instead of burning fossil fuels can help to reduce nature [ ]
.

People who care about the environment prefer to buy products made from [ ]
components and fit [ ]
lighting in their houses as this helps to conserve natural resources.

Ecotourism is a form of [ ]
tourism that combines visiting places [ ]
by human activities, preserving the nature and getting to know the [ ]
culture and local traditions.

Conservation funds work on different projects aimed at protecting the [ ]
from the destructive impact of human activities.

Deforestation leads to animal extinction, which can result in [ ]
loss and the destruction of food [ ]
.

Scientists noted that rising [ ]
are related to global warming.

Complete the sentences with your own ideas

Frequent use of cars leads to [ ].

The most serious global problems are [ ].

Air pollution can be caused by [ ].

The examples of natural disasters are [ ].

I know such endangered species as [ ] and such extinct species as [ ].

I think that [ ] may be harmful to the environment.

I believe that biodiversity conservation is important because [ ].