Environment

Coal is one of the ... fuels which we should eliminate as soon as possible.

There are a lot of old power plants which ... the air.

... rains cause deforastation.

Let's hope the ozone ... will have increased by 2030.

... fumes pollute the air we breathe.

A terrible ... caused a lot of destruction to many buildings.

Many endangered ... may become extinct.

Koalas are an ... species.

A terrible destruction was caused by ... - strong winds.

Poland will be using wind ... in the year 2040.