London Heathrow is one of the world's busiest airports and it's still growing - much to the anger of some people, who are worried about the effects of more flights than ever. Join Jackie and Callum as they hear views for and against allowing more and more planes to fill the skies.

This week's question: How many passengers travel through Heathrow airport annually?

a) 45 million
b) 67 million
c) 78 million

Listen out for the answer at the end of the programme!

Listen
	Air travel

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Vocabulary from the programme

the impact
the effect
Example: Many people are worried about the impact of flying on the environment.

quality of life
how good or bad your life is (shown, for example, by how healthy, happy and wealthy you are)
Example: The quality of life in this part of the world is terrible.

carbon dioxide / CO2
a gas created when animals breath out, when carbon is burned in air or when animals and plants decay

carbon emissions / CO2 emissions
carbon dioxide released into the air (scientists believe the rise in CO2 emissions is harming the environment)

a carbon footprint
a measure of how much effect human activities have on the environment in terms of how much CO2 they produce.
Example: He must have a huge carbon footprint, he takes so many flights!

a boom
a big increase
Example: There's been a boom in air travel.

a low-cost carrier / a budget airline
an airline that offers cheap tickets and doesn't supply many of the traditional services (e.g. free meals) that other airlines offer

the expansion
the growth, increase in size
Example: He thinks the expansion of the airport is a good thing.

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Extras
Download this programme (mp3 - 2.1 MB)

Heathrow airport*
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