Unit 3 Environmental Protection Reading and Thinking 公开课 课件-2023-2024学年高中英语人教版（2019）选择性必修第三册

Unit 3 Environmental Protection Reading and Thinking 1 01 02 04 Know about the climate change and understand the main idea of each paragraph. Voice your personal opinions on how to protect environment by teamwork. Learn about the “greenhouse effect” and know how it works. Learning Objectives: 03 Analyse the consequences of climate change and enhance the awareness of environmental protection. 2 Look at the picture and graph below. What is it about? What information can you get from it? The earth is becoming warmer and warmer. Why? Because of the global warming. 3 What other consequences of the global warming? 4 the rise of sea level dying animals coastal cities submerged 5 natural disasters extreme weather economic losses 6 Climate Change Requires The World’s Attention 7 1.What’s the passage mainly about? A. Some polar bears died of starvation. B. What the greenhouse effect is. C. How the polar bears find food. D. Global warming has caused some disasters and we must pay attention to it. 8 1. What is the problem? 2. What are the evidences of climate change? Para 1 9 Climate Change Requires World’s Attention 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. Para 1 The ________ is getting warmer and warmer. Evidence 1: ________________________________ Evidence 2: ______________ Evidence 2: _______________ Earth a warming ocean and atmosphere melting ice rising sea levels climate change 11 1. When did it happen? 2. Where did it happen? 3. What did they find? Para 2 12 Para 2 Time Where What happened 2013 Norway’s Arctic Island of Svalbard. A polar bear died of starvation. 13 climate change starvation longer food-seeking travel lack of food low sea-ice levels The following reasons account for the death of the polar bear, with one influencing another. Put them in a correct logical order. What is the root cause? 14 1. What is the definition of natural greenhouse effect and man-made greenhouse effect? 2. What is the function of natural greenhouse effect? 3. What is the problem of man-made greenhouse effect? Para 3 15 Definition: Heat from the sun enters the atmosphere and warms the Earth’s surface. Function: Keeping Earth’s warm and habitable. Definition: People produce huge amounts of extra greenhouse gases. A big problem: Causing Earth’s surface temperature to rise quickly. Natural greenhouse effect Man-made greenhouse effect 16 D. Heat enters the atmosphere B. Reflected sunlight Atmosphere C. Heat reflected back to earth’ surface A. Heat released back into space Find out how the greenhouse effect works A. D. C. B. extreme rainstorms, heat waves serious damage, costing human lives, economic losses Scan Para.4 to finish the following chart 1. 2. not only 3. . but also 4. . extreme 5. and 6. causing 7._______________________ extreme weather natural disasters causing serious damage costing human lives rainstorm heatwaves examples The rise in temperature leads to results deaths and economic losses 18 Who has the responsibility to help reduce global warming? Governments Individuals Para.5 1. make policies 1.restrict the amount of carbon dioxide our lifestyle produce 2. educate everyone about global warming, along with its causes and impacts 2. take appropriate actions and measures to reduce greenhouse gas emissions Read for main idea ＆ text type Match the main idea with each paragraph Para 1 Para 2 Para 3 Para 4 Para 5 A problem of climate change. 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. An exact example of climate change. The development of the passage. problem example causes consequences solutions 21 1. What type of writing is this passage? A. Argumentative writing B. Narrative writing C. Expository writing D. Advertising writing 22 2. In which part of a magazine may we find this passage? A. Entertainment B. Economy C. Education D. Environment 23 In Paragraph 5, the author hopes everyone can take actions to reduce our “carbon footprint”. Carbon Footprint Knowledge Extension The amount of carbon dioxide (CO2) that a person or organization produces by the things they do, used as a way of measuring the amount of harm they do to the environment. 点击添加内容 What can we do in our daily life to help to protect our environment? Discussion 点击添加内容 Sort the garbage Abate the use of plastic bags Value our own role End wasting resources Encourage others to paticipate in it Alter our lifestyle Ride a bike or walk to school Turn off all electric devices when not in use Help inform those around the danger of global warming… Video Appreciation 28 Lucid waters and lush mountains are valuable as "mountains of gold and silver". 绿水青山就是金山银山。 A community with a shared future for mankind. 人类命运共同体。 29 Homework 30 Earth provides enough to satisfy every man’s needs, but not every man’s greed. — Mohandas K. Gandhi 地球能满足人类的需要， 但满足不了人类的贪婪。 31 Together, let's return green to the earth and build a beautiful China! Going Green Joe Tamaela Going Green, track 1, disc 0 240133.17 10 2 Read the text and answer the questions 人民教育电子音像出版社 普通高中教科书 英语 选择性必修 第三册 238435.05 $$