1、Welcome,Unit 3 Science versus nature,Project Having a debate,Beautiful !,development,pollution,Rapid development of agriculture and industry,Untreated human and industrial chemicals and waste poured out into the river,Thick dirty smoke goes into the atmosphere,Lost of many forest and grassland,Cause

2、s of the serious pollution:,On the one hand, we are developing our economy, on the other hand, we are destroying our environment.,economy VS environment,man VS nature,Unit 3 project Man and nature,. T or F questions:,With the development of science and technology, Earths resources are being protecte

3、d. The planet will eventually be damaged if we continue to do what we are doing. According to the writer, environmental conservation is more important than economic development. After many years of using up Earths resources, many developed countries focus on protecting Earth. Many poor nations are o

4、verdeveloping natural resources to meet the needs of their people. Humans benefit a lot when they overdevelop natural resources. Human can really win by protecting the environment. It is the responsibility of developed nations to work out a solution to protect Earth.,T,F,T,T,F,F,T,F,destroyed,But al

5、so suffered a lot, such as many disasters.,mankind,economic development is as important as environmental conservation.,Listening:,Answer the following questions What did people do to destroy Earth? What is the result if people continue to destroy Earth? What are many developed nations concerned abou

6、t now? Why are the poor countries overdeveloping natural resources?,They destroy the Earth by building new channels in the sea and factories on the land, and by creating pollution with chemical waste.,The planet will be damaged.,Saving nature rather than developing and destroying it.,To meet the nee

7、ds of their people.,Do the people in undeveloped countries realize what they are doing is bad for the environment? What should developing and developed countries do? Do people win if they damage the environment? 8. It is high time for mankind to find solutions that are accepted for everyone and ever

8、ything, isnt it?,No.,They should work together to make sure that people enjoy healthy and happy lives, without the environment around them suffering,No.,Yes, it is.,Further reading & pair work:,Para 1: Para 2: Para 3: Para 4:,Humans can only really win by protecting nature.,Nature resources have bee

9、n seriously affected by carelessness.,Different attitudes towards the problem.,Humans are moving towards an important point in the relationship with nature.,Title: GM food : 1._,hope or danger,genetics study,Ways,Insert new material,some undesired qualities,Advantages,Have larger harvests,humans to eat,the food chain,give permissions,Home work:,Have a debate,Economic development is more important than environmental co