Warm up
describing
What are they doing?
They are planting a tree and collecting garbage
What is their purpose?
=> They want to protect the natural environment.



UNIT 9: PRESERVING THE ENVIRONMENT

LISTENING
PRESERVING THE NATURAL
ENVIRONMENT
VOCABULARY
relative pronoun
.
a natural event such as a flood, earthquake, or tsunami that kills or injures a lot of people
Natural disaster
/ˌnætʃ.ər.əl dɪˈzɑː.stər/
(n.p ): thiên tai
to reduce the quality of something
VOCABULARY
Degrade /dɪˈɡreɪd/
(v): làm giảm chất lượng
Erosion /ɪˈroʊ.ʒən/
(n): sự ăn mòn
VOCABULARY

the fact of soil, stone, etc. being gradually damaged and removed by the waves, rain, or wind.
Mass media
/ˌmæs ˈmiː.di.ə/
(n.p ): đa truyền thông, phương tiện truyền thông đại chúng
Living or growing in, happening in, or connected with water
Aquatic  /əˈkwæt.ɪk/
(adj): dưới nước, sống ở trong nước

waste matter from home, carried away in a system of pipes 

Sewage /ˈsuː.ɪdʒ/
(n): nước cống, chất thải
Ecosystem(n)
Deforestation(n)
forestation(n) #
Activity 1: Listen to a student`s talk. What is he talking about? Tick the correct box.
How To Overcome Natural Disasters 
Natural Resource Depletion 
Environmental Degradation 
Deforestation And Its Effects.
Activity 2: Listen again. Tick the words you hear.






Activity 3: Listen again. Complete the sentences with one or two words from the talk
1. The natural environment has been seriously   and degraded by human activities through many decades.
2. The burning of fossil fuels by factories and motor vehicles has led to air pollution and resulted in acid rain, greenhouse effect and
3. Deforestation for land use has affected the   and led to the extinction of rare animals, extreme floods and land erosion.
4. They have changed and degraded the natural environment and led to various  .   
5. We should   the burning of fossil fuels, and encourage forestation to replace deforestation.   
.   
affected
global warming
ecosystem
health problems
control
Activity 4: Listen and decide if the following statements are True or False .
1.The environment is the natural world in which people , animals and plants live .
2. The use of harmful chemicals in agriculture
has led to serious water pollution.
3. Harmful rubbish and sewage dumped in rivers and oceans has polluted the water .
4. People shouldn’t make any effort to preserve the environment for the next generation .


T
F
T
F
soil
should

Making a conversation
What / you / see/ photos ?
A man/ spray /pesticides /trees /cut down .
What / the effects / environment problem?
B. Pesticides / cause / soil pollution. Cutting down / trees / result in / climate change .
What / we / do / preserve / environment ?
C. We / raise / awareness / protect/ environment / before / it/ too /late .
HOMEWORK.
* Learn vocabulary by heart.
* Prepare for the next lesson: writing
* Write a short paragraph about how to keep the environment green and clean .