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课件网) Unit 3 Environmental Protection Reading and Thinking ———discuss climate change After this class, you will: l. learn more about different environmental issues. 2. analyse the cause and effects of global warming. 3. draw a diagram describing how the greenhouse effect works. Learning Objectives Warm-up part 1 1. What can you see in the picture 2. What is the cause of this phenomenon Global warming A large piece of ice breaking off a glacier. What other influences of the global warming HELP! the rise of sea level dying animals tsunami drought extreme weather earthquake Pre-reading part 2 Look at the graph and picture below and answer the following questions Q1. What's the type of this text A. News report. B. Biography.传记 C. Expository essay说明文 D. Argumentation.议论文 Q2. What is the graph about What information can you get from it the change in the Global Surface Temperature between 1920 and 2016. It shows the temperature anomaly.(气温反常) The earth is becoming warmer and warmer. While-reading part 3 Read for structure-find out the topic sentence Para 1-2 Para 3 Para 4 Para 5 The evidence of dramatic climate change that had an impact on Earth's ecology. The causes of the increase in the global average surface temperature. The consequences of the rise in temperature. The solutions to reducing greenhouse gas emissions Reading for structure problems causes consequences solutions Read for details Evidence (para 1-2) 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 Evidence 4: a dead polar bear climate change starvation longer food-seeking travel lack of food low sea-ice level The following reasons account for the death of the polar bear. Read paragraph 2 and put them in a correct logical order. What is the root cause Cause and effect Read for details Causes (para.3) natural man-made Definition Heat from the sun enters the _____ and warms Earth’s _____ as _____-wave radiation. Function Keeping Earth’s climate warm and_____ Definition People produce huge amounts of_____ greenhouse gases by burning_____. A big problem More _____ energy is trapped in the atmosphere and causes Earth’s surface tempreature to _____ quickly. habitable extra fossil fuels atmosphere surface short heat rise Greenhouse Effect Read paragraph 3,4 and create a diagram describing how the greenhouse effect works. Sunlight Atmosphere Reflected sunlight Heat released back into space Heat reflected back to Earth’s surface Read for details Consequences (para. 4) What are the consequences of the global tempreature rise consequence not only . but also . extreme and causing deaths and economic losses extreme weather natural disasters causing serious damage costing human lives rainstorms heatwaves Read for details solutions (para.5) solutions governments make policies take appropriate actions and measures indivi ... ...
