Unit 22 lesson 1 Global Warming.pptVIP

1 Global Warming In groups discuss what you know about global warming. Look at the pictures to get ideas. 全球变暖海平面上升 世界第二小国将被大海吞噬. Traffic Jam Factory Discuss what you know about global warning? You can guess the reasons of the global warning. You can guess the harm to our earth. You can guess what you can do to reduce greenhouse gases. Read the text again, answer the following questions: 1. what is global warning? 2. what human activities are causing global warning? 3. By how much has the global average temperature increased in the last 100 years? 4. Are greenhouse gases necessary for life on Earth? 5. How can individuals help solve the problem of global warning? Taking action on global warming (or climate change) is similar. In some cases, it only takes a little change in lifestyle and behavior to make some big changes in greenhouse gas reductions. For other types of actions, the changes are more significant. When that action is multiplied by the 1.3 billion people in the China. Or the 6 billion people worldwide, the savings are significant. Buy the recycled products Recycling the bottles Paper recycling Vocabulary Use the expressions in the box in the correct form to complete the sentences. beyond our control, pump into, as a result of, in large quantities, refer to, speed up 1 Water was the fish pond from the river. 2 We all need to to finish in time! 3 There is nothing more we can do .the situation is now . 4 the accident, she is now afraid of water. 5 The scientist global warming at least three times in his speech. 6 The factory was producing greenhouse gases . Grammar : Reporting What verbs are used in the text to report these statements? Example 1 = to report that 1 Human beings are causing changes in the Earth’s climate. 5