Unit 3 Environmental Protection Reading and Thinking 课件-2025-2026学年高中英语人教版选择性必修第三册

Unit 3 Environmental Protection Reading and Thinking 1. What can you see in the picture? 2.What is the cause of this phenomenon? Lead-in A large piece of ice is breaking off a glacier.(The ice is melting) Global warming The rising temperature of the Earth is the primary reason glaciers have started to melt more, and this climate change can be directly tied back to human activity. What other consequences of the global warming ? economic losses the rise of sea level dying animals natural disasters extreme weather coastal cities submerged Lead-in What is it about? What information can you get from it? The earth is becoming warmer and warmer. Why? Lead-in Temperature Anomaly（气温反常现象） 4 Leading in Q. What happened to the polar bear in the video? 5 6 Read for the text type Q1. What's the type of this text? A. News report. B. Biography. C. Expository essay. D. Argumentation. Q2.What's its purpose? A. To inform readers of climate change. B. To persuade readers to focus on climate change problem. The authors sometimes use some graphs or diagrams in their essays in order to convince their readers. These graphs and diagrams often come from scientific research reports and other reliable resources. Read for main idea match the main idea with each part. B. The consequences of the rise in temperature A. The solutions to reducing greenhouse gas emissions D. The cause of the increase in the global temperature para.1-2 C. The evidence of dramatic climate change that had an impact on Earth’s ecology para.3 para.4 para.5 Para 1 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 Reading for details 9 climate change starvation longer food-seeking travel lack of food low sea-ice level What is the root cause? Reading for details Para 2 Reading for the details (Para.3: cause) natural man-made Definition Heat from the sun enters the __________ and warms Earth’s __________ as _________-wave radiation. Function Keeping Earth’s 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 temperature to ________ quickly. habitable extra fossil fuels atmosphere surface short heat rise Greenhouse Effect The greenhouse effect Find out how the greenhouse effect works. D. Heat enters the atmosphere B. Reflected sunlight Earth Atmosphere C. Heat reflected back to earth’ surface A. Heat released back into space A. D. C. A. B. 1. What are the consequences of the global temperature rise? 2. Why did the author mention the climate scientists’ warning? The rise in the temperature led to results examples Because global warming needs everyone’s attention and it is essential that we take appropriate actions. extreme weather & natural disasters serious damage, costing human lives extreme rainstorms, heatwaves Reading for details Read para.4 and finish the mind map. What’s the consequences of global temperature rise? The rise in temperature leads to extreme weather/ natural disaster extreme rainstorm; heat waves serious damage; costing human lives; economic loss examples results Reading for details Why did the author mention the climate scientists’ warning? Because global warming needs everyone’s attention and it is essential that we take appropriate actions. 15 Reading for the details (Para.5: solutions) solutions governments make policies take appropriate actions and measures individuals reduce our “carbon footprint” by… educate everyone about global warming Group discussion As a student, what can we do to deal with climate change in our daily life? Turn off the lights and fans when leaving Go outdoors by bike instead of by car/bus What can we do to reduce “carbon footprint”? 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 you of the danger of global warming… More English idioms 1. Lucid waters and lush mountains are valuable as "mountains of gold and silver". 青山就是金山银山。 2. If we don't save water, the last drop of water will be our tear. 如果我们不节约用水，那么最后一滴水将会是我们的眼泪。 3. Only by changing the way we treat the environment can we get along well with it. Only by saving the environment can we save ourselves. 我们只有改变对待环境的方式，才能和它好好相处。我们只有拯救环境，才能拯救自己。 Thank You Lavf58.20.100 Tencent CAPD MTS Lavf58.20.100 Tencent CAPD MTS Lavf58.46.101 $