1. Useful expression: 1.The area of desert in the world is growing every year. 2.Cattle are one cause of the problem. 3.One suggested answer is for farmers to limit the numbers of the cattle. 4.Another problem is that good soil is gradually lost. 5.There is nothing to hold the soil in place on the hillside. 6.Air pollution comes from factories, power stations and cars. 7.Time and time again there are serious accidents that pollute the air. 8. It is said that 125,000 people died as a result of illnesses caused by this accident. 9. Water pollution is caused by waste from factories and cities. 10. The waters of this great lake have been dirtied by waste from a chemical factory.

2. attend/ take part in/ join in/join 1.They two danced and danced until many other people___________. 2.You go first. I’ll _____ soon. 3.We students _______ the farmers _____ in the rice. 4.My mother is going to________________ the parents’ meeting tonight. 5. Every student is required to _________ professor Wang’s lecture. joined in join joinedin attend/take part in attend

3. Welcome To The Earth Summit

4. the 2002 Earth summit Time: Place: One of the main themes: in 2002 in Johannesburg in South Africa sustainable development or the question how we can continue … without damaging…

5. contaminated drinking water poor sanitation air pollution the “ big three ” --- the three biggest killers 7 million deaths per year

6. Other problems: Poverty War Violence All too often, global development means rich people get richer while the poor get poorer.

7. the need for equality and fairness in the world China’s then premier Zhu Rongji

8. She said that hearing the speakers made her realize that she could make a difference by changing her behaviour. a message given by a visitor

9. Why is the Earth Summit important?

10. The Earth Summit help people understand that there exist serious problems that there is still time to take action the key to the future --- education

11. Conclusion: The earth summit offers solutions to the major problems facing the earth. If we learn more about the problems, we can take action to build a better society, protect the environment, put an end to the deaths, reduce poverty and make the world more peaceful.

12. Questions for careful reading 1.When and where was the first earth summit held? 2.How many people on earth don’t have access to clean drinking water? 3.How can sustainable development be possible? 4.How can the poverty be wiped out? in 1972, in Stockholm, Sweden 20% with international cooperation fairness and better education

13. Air pollution ______ causes almost three million deaths. Most deaths happen in ______ areas. If we are to develop the world successfully, we must make sure that every one is able to take part in the new world we _____. Rich countries have a ___________ towards poor countries and must do ________ they can to help others. The message is spreading ______ the world and man students are learning more about “earth_______” in school. A better understanding of the environment is necessary, ____ is the willingness to act. With better education, people will be able to build a better society in ________ with nature and _____ an end to the death suffering ______ by the big three.And if poverty is ____ of a problem and people are better educated, there is a good chance that we will see _______ violence and ______ wars. alone rural create responsibility whatever across issues as harmonyput caused less fewer

14. Discussion What other solutions can you think of to settle the problem?