_______________ increases the sea-level.

Gas is one of the most well-known _____________.

Dinosaurs __________________________ many centuries ago.

I bought an electric car to avoid producing _______________ when I drive.

White rhinos are ______________. There are only 5 white rhinos left in the world.

________________ is a very serious problem that our society is dealing with.

The small river in my hometown __________ his summer due to the enormous heat.

I try to use only _______________ goods in order to preserve the nature.

I experienced a _______________ in the form of an earthquake last year.

Due to the opening of a new factory nearby, the _______________ here went down.

My friend decided to leave his boring job and move to the countryside to _________________.

___________ is considered a violation of hunting rules and impedes wildlife conservation.

Nowadays, we suffer the loss of ______________________.

It was found that ____________ causes 35% less water pollution and 74% less air pollution than making virgin paper.

________________ causes global warming.

White Rhinos are ________________ of becoming extinct.

Many factories in my city dump _____________ into rivers and lakes.