Unit 6 Earth first Listening and speaking 课件-2023-2024学年高一英语外研版（2019）必修第二册

Unit 6 Earth first Listening and speaking by Ada Dealing with global warming 1 Share what you know about these expressions. Dealing with global warming 1 Share what you know about these expressions. water conservation 节约用水 LED bulb LED 灯泡 可重复使用的水瓶 reusable water bottle Dealing with global warming 1 Share what you know about these expressions. renewable energy 可再生能源 Dealing with global warming 1 Share what you know about these expressions. greenhouse effect 温室效应 Dealing with global warming 1 Share what you know about these expressions. carbon footprint 碳足迹 Dealing with global warming 2 Complete the brochure with the expressions in Activity 1. Six things you can do NOW to help stop global warming Reduce waste by choosing reusable products -- get a(n) 1 , for example. Try to reduce your 2 . Walk or ride a bike instead of taking a car. Use3 such as solar energy and wind power. The less energy you use, the less carbon dioxide is released. Replacing a regular light bulb with a(n) 4 is a good start. 5 is important because clean water is a limited resource. Also, we use a lot of energy to process clean water. Planting trees can help a lot in reducing the 6 , because trees absorb the carbon dioxide in the air. renewable water bottle carbon footprint renewable energy LED bulb Water conservation greenhouse effect Environmental problems to be solved Did you know? Smog comes from the words “smoke” and “fog”, and it is used to describe the air pollution in cities caused mainly by traffic and factories. Smog can be dangerous because it causes severe breathing problems and infections. Listening 1 Listen to the lecture and choose the topics that are covered. 1 What the word “smog” means. 2 When the word “smog” appeared. 3 What caused smog in the past. 4 What