Challenging yourself 1.ppt

2) Many environmental agencies organize events based on different themes each year. What will be a good theme for WED this year? Share your opinion with your group members and then choose the best one to share with the whole class. 3) Can you propose any activities people may have to help raise worldwide awareness of the threats to our environment besides those mentioned in Passage 2? * * With your support, we can make WED the biggest global celebration of environmental action! 1 4 2 5 3 How much do you know about water? By the time a person feels thirsty, his or her body has lost over 1% of its total water amount. True! About 90% of the huge amount water on earth is sea water. False! 97% Nearly 60% of the earth’s surface is covered with water. False! 75% A healthy person can drink about three gallons (48 cups) of water per day. True! We should drink water only when we feel thirsty. False! We should drink water constantly even though we do not feel thirsty. Water sea/salt water fresh water 97% 3% Look at the following pictures and then write a title for each of them on the given line. drought ?[draut] desertification ? air pollution Is it necessary for us to focus our attention on the environmental problems? Why? List your reasons here. Please talk about the following questions in pairs. Scan the coming two passages and choose one title for each of them. World Environment Day 2) Water Supply 3) Environmental Pollution 4) Saving Water Passage 1 Passage 2 Passage 1 The world is not only hungry, but also thirsty for water. This may seem strange to you, since nearly 75% of the earth’s surface is covered with water. But about 97% of this huge amount is sea water, or salt water. Man can only drink and use the other 3%—the fresh water that comes from rivers, lakes, under ground, and other sources. And we cannot even use all of that, because some of it is in the form of icebergs and glaciers. Even worse, some of it has bee