九年级英语The-green-consumer课件.ppt

- chapter 1(9B) Look and think What is the name of the book that is reviewed?Who are authors? The book is called a guide. What does this name suggest the book will do? A consumer is anyone who buys and uses things. What do you think a green consumer is? What do you think the main topic of the book is? How many topics does the review cover? What are the threats to our environment? The green effect Damage to the ozone layer Destruction of the rain forests Pollution---Bad habits of… Acid rain Global warming The Greenhouse Effect 1. There is atmosphere around the earth acting like the glass,letting sunlight in while keeping much of the warmth from getting out. 2. The atmosphere is changing because we are polluting it with chemicals. 3. The poisonous gases are mainly made up of Oxygen (O2) and carbon dioxide (CO2) . 4. The greenhouse effect may cause the level of the sea to drop. Damage to the ozone layer Ozone layer occurs _______ above the ground. It forms an essential ________ layer around the earth. Without it, the sun would burn us up. We are making ______ in the ozone layer mainly by using chemicals called ______. They are used in fridges and __________, and to make _______ items such as fast food boxes. Damage to the ozone layer What will the result be? Destruction of the rain forests What is making the Greenhouse Effect worse besides burning fuels? Why? How harmful is it? Bad habits Do you have any habits which cause pollution? Do you have a habit of using things once and then throwing them away? What does it create? We know what to do with the rubbish, don’t we? How can we save the earth? 1.What should we do with our rubbish? 2. What kind of products should/shouldn’t we buy and use? 3. What should we do to protect the rain forests? 4. What should we do to solve the problems --- the Greenhouse Effect, damage to the ozone layer, global warming? How green are you? Analysis Score 0-8 You have not started turning green yet!