Some people say travelling is bad .... the environment.

• in

• on

• of

• for

When we travel, the pollutants released from vehicle can be ... to the air.

• harming

• harmful

• harmous

• harmfull

We have to think carefully nowadays about our choice ... transportation.

• at

• for

• of

• on

Making too many long distance trips and journeys could have a significant impact ... the environment.

• of

• for

• on

• over

Airplanes are fuelled ... kerosene.

• on

• at

• in

• by

Cycling to work is greener ... going by car.

• that

• than

• then

• though

... to globalization, it is inevitable that we will need to fly to some destinations.

• Due

• Although

• Because

• Since

What areas of society are contributors ... climate change?

• for

• in

• to

• of

Hopefully, we can opt ... greener modes of travel in the future.

• at

• for

• in

• over

We need to think carefully about ... we travel.