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(共14张PPT)
B2U6 Earth first
Starting out & using language
Watch the video and note down what these numbers represent.
Save Life on Earth
130,000
25,000
150 to 200
1,000
1 million
1 billion
450
50%
Watch the video and note down what these numbers represent.
Save Life on Earth
130,000
25,000
150 to 200
1,000
1 million
1 billion
450
50%
square kilometres of forest disappear every year.
trees are cut down each day just to make toilet paper.
species of plants and animals become extinct each day.
times the natural rate of extinction.
animals are killed by ocean pollution each year.
people don’t have clean drinking water.
years is needed for a plastic bottle to break down.
The ice caps are 50% thinner than they were 40 years ago.
Which of the facts in the video do you find most alarming and why
Environmental problems
What environmental problem does each cartoon refer to
What are the causes of these problems
Problems
Causes
water pollution
deforestation
air pollution
global warming
improper waste disposal
climate change
cutting down too many trees
overpopulation
fossil fuel burning
Dealing with global warming
Is there any new concept to you
Dealing with global warming
Complete the brochure with these expressions. (P88, A5)
reusable water bottle
carbon footprint
renewable energy
LED bulb
Water conservation
greenhouse effect
What else can we do to help deal with global warming
spread the word
eat more plant-based meals
buy local and seasonal foods
don’t waste food
say no to ‘fast fashion’
…
Environmental problems to be solved
Environmental problems to be solved
Listen to the lecture and choose the topics that are covered. (P89, A7)
Environmental problems to be solved
Listen again and complete the slides. (P89, A8)
The Great Smog
1900s
no wind
chemicals
chemicals coming from traffic
requirements of paying to drive
Learning to learn
Environmental problems to be solved
Work in pairs and talk about recycling. (P89, A9)
Student A: Turn to Page 108.
Student B: Turn to Page 111.

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