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(共19张PPT)
Unit3 Reading and Thinking
Envrionmental protection
Video time
1. What are the extreme weather and disasters mentioned in the video
2. What do you think causes such extreme weather and disasters
drought
flood
storm
sea level rise
heat wave
fire
Global warming
Climate change
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Prediction
Climate change requires the world’s attention.
How
Who
Read and match
Para 1
A. Solutions to reduce greenhouse gas emission.
Para 2
Para 3
Para 4
Para 5
B.The influences of the rise in temperature.
C.The problem that Earth is getting warmer and
warmer.
D. An example of a dead polar bear.
E.The reasons of the increase in global temperature.
The development of the passage
problem
example
reasons
influences
solutions
1. What is the problem
2. What are the evidences of climate change？
Para 1: Problem
Para 1: Problem
The ________ is getting warmer and warmer.
Evidence 1: ________________________________________
Evidence 2: ______________
Evidence 2: ___________________
Earth
a warming ocean and atmosphere
melting ice
rising sea levels
climate
change
1. When did it happen
2. Where did it happen？
3. What did they find？
4. Why did it happen
Para 2: An example of climate change
Para 2: An example of climate change
Time
Where
What happened
Why did it happen
2013
Norway’s Arctic Island of Svalbard.
A polar bear died of starvation.
The bear cannot hunt seals as before.
1.What is the definition of natural greenhouse effect
2. What is the function of natural greenhouse effect
3. What is the problem of man-made greenhouse effect
Para 3: The reasons
Para 3:”natural”& “man-made”greenhouse effect
Defination
Heat from the
sun enters the atmosphere and warm the Earth’s surface
Function
Keeping Earth’s warm and habitable
Defination
People produce huge amounts of extra greenhouse gases.
A big problem
Causing Earth’s surface temperature to rise quickly.
Para 4
What are the consequences of global temperature rise Finish the mind map.
The rise in temperature
led to
extreme
weather/
natural
disasters
example
result
extreme rainstorms, heat waves
serious damage, costing human lives, economic losses
Para 5
2. What is the author’s purpose of writing this text
1. What are the solutions to the environmental problems
01
The governments:
02
Individuals:
make policies and take
appropriate actions and measures.
reduce our “carbon footprint” by…
educate everyone about global warming
2. What is the author’s purpose of writing this text
The author’s purpose is to arouse our awareness of the problem of the rising temperature and appeal to us to take appropriate actions to deal with climate change.
Group discussion
As a student, what can we do to protect the environment in our daily life
Climate change
Evidence
Solutions
Causes
Effects
government
individuals
extreme weather
natural disasters
Greenhouse effect
natural greenhouse effect
man-made greenhouse effect
A better understanding of climate change
Revision
Preview the knowledge points in the text in advance.
homework
Do the exercise of grammatical word filling .
Thank you!

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