Unit 4 Global Warming.

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1 Unit 4 Global Warming

2 Now let’s learn more about global warming
If global warming is real, why is it so cold ? What’s the proof that global warming is taking place ?

3 Alaska 1914 2004 Photos: NOAA Photo Collection and Gary Braasch – WorldViewOfGlobalWarming.org 3

4 Recent rapid melting glaciers on Greenland
Not included in IPCC model because this observation was made after the IPCC models have completed their model development phase and have started the lengthy integrations. Other processes not included, such as reduced capacities of land and ocean to store carbon, all contribute to accelerating global warming. i.e. global warming projections in IPCC AR4 are slower than what we might expect now.

5 Germany

6 Argentina

7 Facing global warming, what are people doing now ?
本资料来自于资源最齐全的２１世纪教育网 Live a low-carbon life

8 Li Chen, one of China's most popular actors, is in Kenya's Nairobi to attend the second session of the United Nations Environment Assembly (UNEA-2).

9 At a ceremony in Beijing in April, singer and actor Wang Junkai was made the national goodwill ambassador for the United Nations Environment Programme.

10 Using Language What Can We Do About Global Warming? Words study

11 Read Ouyang’s email and answer:
What are Ouyang Guang’s two puzzles and what’s his purpose of the letter?

12 Puzzles: Individuals seem to have little effect on such huge environmental problems. Not sure where to start the project about global warming. Purpose: Ask for some suggestions 本资料来自于资源最齐全的２１世纪教育网

13 Does Earth Care agree with Ouyang Guang? What’s his attitude?
Read the first 2 paragraphs of Earth Care’s reply and answer: Does Earth Care agree with Ouyang Guang? What’s his attitude? Together, individuals can make a difference. We do not have to put up with pollution.

14 Read Earth Care’s suggestions and find out
How can we improve the way we live ?

15 Buy things that are economical with energy.
Earth Care’s suggestions on how to improve the way we live 1. 2. 3. 4. 5. 6. Turn electrical appliances off when not in use. Don’t turn up the heat but put on more clothes instead. Walk or ride a bike instead of driving motor vehicles. Recycle. Buy things made from recycled materials. Buy things that are economical with energy. 本资料来自于资源最齐全的２１世纪教育网 Plant trees. Absorb CO2 and refresh one’s spirit. Be an educator.

16 Discussion what else can we do to live a low-carbon life ?
Join a car pool Use E-card Reduce unnecessary examination Don’t use disposable chopsticks Take a shorter shower Use the paper on both sides Don’t wrap our presents too much

17 Write a proposal on behalf of your student union about how to live a low-carbon life for us students. 本资料来自于资源最齐全的２１世纪教育网

18 A proposal of living a low-carbon life Dear everyone,
____________________________________ _______________________________________ _____________ ________________________ A brief introduction E.g. background, importance, attitudes Suggestions /measures (by listing) Focus on things we students can do. 本资料来自于资源最齐全的２１世纪教育网 Conclusion & A slogan Student Union

19 Together, individuals can make a difference!
A good slogan is very important when you make a poster or write a proposal to persuade people to do something. Together, individuals can make a difference! Remember-your contribution counts! Slogan 本资料来自于资源最齐全的２１世纪教育网

20 Make the earth a better place
本资料来自于资源最齐全的２１世纪教育网

21 Practical writing 全球变暖的趋势日渐严峻， 作为高中生，我们应该从自身做起。请你代表学生会用英文向全校学生写一份倡导书，呼吁大家低碳生活。要点如下： 1. 节约用水和用电 2. 合理利用纸张和二手课本 3. 向你身边的朋友和家人宣传环保的重要性 注意： 1. 词数80词左右。 2. 注意行文的连贯。