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Unit 7: The World We Live In

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by

kathleen lim

on 12 May 2014

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Transcript of Unit 7: The World We Live In

Waste Not, Want Not
(Page 44)
Environmental Problems

contaminate
- to make something dirty or harmful
"When people pollute, the earth becomes contaminated"

global warming
- an increase in the average temperature of the earth's atmosphere

depleted
- reduced in amount (low supply)

harm
- to damage or hurt someone or something

threaten
- to cause danger

urban
- city( place that is developed)

Pollution
is the introduction of harmful substances or products into the environment. (To pollute = verb)


Enviornmental Concerns
Environmental Solutions
recycle
- convert waste(trash) into reusable material(reuse)

reduce
- make smaller or less in amount

conserve
- use something so that it's not a waste
Speaking Exercise
Over the Years...




reduce
replace
displace
contaminate
cut down
build
construct
demolish
Our Environment
Environmental Solutions
Unit 7: The World We Live In
Land
,
Water
,
Air

in which people, animals and plants live
Americans...

make 750,000 photocopies every minute
throw away 2.5 million plastic bottles every hour
get rid of 30,000 cars every year
dispose of 49 million baby diapers every day
receive 4 million tons of junk mail every year
use 65 billion aluminum cans every year
throw out 270 million tires every year
Pollution is destroying our planet.

What are the different kinds of pollution and what can we do to stop it?
Listening Exercise on Page 46

Environmental Solutions
Listen to 3 people describe some serious environmental problems. Identify the problem each person talk about.
Describe your picture to your partner. Identify 8 differences using the vocabulary words below.
Full transcript