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(共14张PPT)
UNIT 3
ENVIRONMENTAL PROTECTION
Reading and Thinking
Lead in
Activity 1
Fast reading
Activity 2
Scan the text and tell:
1) What genre the text is
3) In which part of a newspaper or magazine may we find this passage
Environment.
Exposition.
From the title, the graph and the picture.
√
√
2) How do you know
Study the structure
Activity 3
Divide it into some parts based on the main ideas.
①
②
③
④
⑤
Part Para(s) Main idea
1
2
3
4
1-2
the _________ of dramatic climate change that had an impact on Earth’s ecology
3
the ______ of the increase in the global average surface temperature
4
the ____________ of the rise in temperature
5
the ________ to reducing greenhouse gas emissions
evidence
cause
consequences
solutions
1. What is the graph about
Careful reading
Activity 4
Part 1: Paras 1- 2
Read the text carefully and answer the questions.
The graph is about ____________ the Global Surface Temperature between 1920 and 2016.
the change in
2. What happened to the polar bear in the photo
3. Why did the writer write about it
It died of starvation.
To show one of ________________ _____________________ [due to global climate change].
the effects of rising
temperatures on animals
climate change
low sea-ice levels
lack of food
longer
food-seeking travel
starvation
5. Describe the influence in your own words.
4. Underline the phrases that show the effect of climate change on the polar bear’s life.
6. What is the root cause
(根本原因)
Part 2: Para 3
What do you think may have caused the global temperature rise
to keep Earth’s climate warm and habitable;
to sustain life
Greenhouse effect
“Natural” greenhouse effect
“man-made” greenhouse effect
to cause Earth’s surface temperature to rise quickly
the consequences
Part 3: Para 4
What are the consequences of global temperature rise
Part 4: Para 5
What should we do to deal with the problems
make policies
take appropriate actions and measures
reduce our “carbon footprint”
seize every opportunity to educate everyone
government
individuals
Further thinking
Activity 5
What will you do to help？
Assignment
假如你是李华，你是你校环保社社长，非常关心目前的全球变暖问题。请你写一封倡议信给学校的同学们，提倡“低碳生活”(low-carbon life)。要点如下：
1）说明全球变暖问题，简述其原因；
2）提出具体措施；
3）发出倡议。

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