Unit 3 Environmental Protection Reading and Thinking 课件(共16张PPT，内镶嵌视频)-人教版（2019）选择性必修第三册

(共16张PPT)
Reading and Thinking
Discuss climate change
UNIT 3
ENVIRONMENTAL PROTECTION
To discuss climate change
To learn to identify the style of this text and infer the writer’s purpose
To learn to draw a diagram
To think about how we can do to deal with climate change
What is it about
What information can you get from it
The earth is becoming warmer and warmer.
Why
Because of the global warming.
Lead-in
Temperature Anomaly（气温反常现象）
a rise
in sea level
loss of
wildlife habitat
wildfire
drought
What consequences may global warming bring about
Read for the type
1. What’s the type of this text
A. News report.
B. Biography.
C. Expository essay.
D. Argumentation.
2. In which part of a newspaper may we find this passage
A. Entertainment
B. Economy
C. Education
D. Environment
In the expository text, the authors sometimes use some graphs or diagrams in their essays in order to convince their readers.
C. Expository essay.
D. Environment
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
Read for the structure
Read for the details
Para 1: Evidence
The ________ is getting warmer and warmer.
Evidence 1: ______________________________________
Evidence 2: ______________
Evidence 3: ___________________
Earth
a warming ocean and atmosphere
melting ice
rising sea levels
climate
change
P1.We have known about climate change for decades. There is little doubt that Earth is getting warmer and warmer (see the graph). A warming ocean and atmosphere along with melting ice and rising sea levels provide evidence of a dramatic change in the global climate.
The evidence of dramatic climate change that had an impact on Earth’s ecology
Read para. 2 and find the reasons accounting for the death of the polar bear ,then put them in a correct logical order.
climate change
starvation
longer
food-seeking travel
lack of food
low sea-ice level
What is the root cause
Read para. 3 and find out how the greenhouse effect works in natural and man-made situations
greenhouse effect
natural greenhouse effect
keeping Earth’s climate warm and habitable
man-made greenhouse effect
causing Earth's surface temperature to rise quickly
The cause of the increase in the global average surface temperature
Q1. What are the consequences of the global temperature rise
Q2. Why did the author mention the climate scientists’ warning
The rise in the temperature
extreme weather & natural disasters
serious damage, costing human lives
extreme rainstorms, heatwaves
led to
results
examples
Because global warming needs everyone’s attention and it is essential that we take appropriate actions.
Read para. 4 and find the consequences of the global temperature rise.
The consequences of the rise in temperature
solutions
governments
make policies
take appropriate actions and measures
individuals
reduce our “carbon footprint” by…
educate everyone about global warming
Read para. 5 and find the solutions to the global temperature rise.
The solutions to reducing greenhouse gas emissions
Summary and accessment
The ________ is getting warmer and warmer.
Evidence 1: ________________________________________
Evidence 2: ______________
Evidence 3: ___________________
Earth
a warming ocean and atmosphere
melting ice
rising sea levels
climate
change
The reasons account for the death of the polar bear.
What can we do to reduce
“carbon footprint”
Activity 4: Group work
What is “carbon footprint”
Sort the garbage
Abate the use of plastic bags
Value our own role
End wasting resources
Encourage others to participate in it
Turn off the light
Ride a bike or walk to school
Plant more trees.
Help inform those around the danger of global warming…
Where is my home
绿水青山，
就是金山银山。