(
课件网) Unit 6 UNIT 6 Earth first To think about some environmental problems we are facing To express your ideas on how these environmental problems arise by watching a video and looking at some pictures To discuss with your partners on how to protect the earth Major environmental problems we are facing currently: Climate Change气候变化 Biodiversity Loss生物多样性减少 Plastic Pollution塑料污染 Land Degradation土地退化 Marine Ecosystem Destruction海洋生态系统破坏 Deforestation森林砍伐 Air Pollution空气污染 Agricultural Issues农业问题 Fossil Fuels化石燃料 Melting Glaciers and Sea Level Rise 冰川融化和海平面上升 Food and Water Security食物和水资源安全 Technological Development and Resource Competition技术发展与资源竞争 Have you noticed some serious problems the earth is suffering from Watch the video and answer the questions. 1. Which of the facts in the video do you find most alarming Deforestation Species’ extinction Ocean pollution Shortage of fresh water Plastic pollution Loss of glaciers 2. What does the video want to tell us Severe environmental problems we are facing nowadays make our future uncertain. It's time for everyone to take action now and make our planet a greener and safer place for our future generations. _____ square kilometers of forest disappear every year around _____ trees are cut down each day just to make toilet paper each day, around _____ to _____ species of plants and animals become extinct -- nearly _____ times the natural rate of extinction 130,000 25,000 150 200 1,000 Listen and complete the missing numbers. over _____ animals are killed by ocean pollution each year _____ people don't have clean drinking water a plastic bottle can take _____ years to break down the ice caps are more than _____ thinner than they were _____ years ago 1 million 1 billion 450 50% 40 Look at the cartoons and answer the questions. 1. What environmental problem does each cartoon refer to water pollution deforestation air pollution global warming 2. What are the causes of these problems Use following expressions to help you: ignore, cause/lead to/result in, people's awareness of environmental protection, fossil fuel burning... 3. What do you think is the most serious environmental problem we face today What should be done to help solve it Use following expressions to help you: invest, recycle, carpooling, classification of waste, green/clean energy... Choose one of the most serious environmental problems and discuss the causes of these problems and think about possible solutions. air pollution Causes: the burning of fossil fuels, agricultural activities, exhaust from factories and industries, mining operations, indoor air pollution Possible solutions: taking public transportation; conserving energy; understanding the concept of Reduce, Reuse and Recycle; emphasis on clean energy resources; using energy efficient devices; ... Make a survey about water pollution around you, then write a s ... ...
