保護(hù)環(huán)境專業(yè)英文教學(xué)課件

1、What does our earth look like? How is our living environment?1What does our earth look like? Everybody knows waste paper and used coke cans are discarded everywhere. You might have seen plastic bags flying in the sky and getting caught in the trees when the wind blows or maybe you have seen old cans

2、 floating in the rivers and polluting the water. Our environment is the place in which we live, but it is being ruined by us. 2 Everybody knows waste papeAir pollution is becoming a severe problem,which mainly caused by transport action and factories production.The air pollution changes the conditio

3、ns that we depend on, such as the greenhouse effect and the acid rain. It causes many diseases,too.3Air pollution is becoming a se Water pollution is the contamination of water bodies such as lakes, rivers, oceans, lagoons, and groundwater. All water pollution affects organisms and plants that live

4、in these bodies of water and in almost all cases the effect is damaging either to individual species and populations but also to the natural biological communities. It occurs when pollutants are discharged directly or indirectly into water bodies without adequate treatment to remove harmful constitu

5、ents. 4 The globle warming Increasing global temperature will cause sea levels to rise and will change the amount and pattern of precipitation, including an expanse of the subtropical desert regions. Other likely effects include increases in the intensity of extreme weather events, changes in agricu

6、ltural yields, modifications of trade routes, glacier retreat, species extinctions and increases in the ranges of disease vectors. 5 The globle warming5 A large number of forests have been sacrificed for urban development. As we all know, trees are able to help clean the air. Furthermore, we are kil

7、ling animals while cutting down these trees. As a result, many animal species are dying out.Air pollution is getting worse,which can cause many diseases. people still go on cutting down trees.6 A large number of forests And what should we do?What does our earth look like? 7And what should we do?What

8、 doeEnergy conservation Use green shopping bags instead of plasticsTurn off the light before you get outRaise the temperature of air-conditioning Ride a bicycle,or to take a bus instead of a carTurn down the brightness and voice of your computer8Energy conservation Use green Water conservation Recyc

9、ling of waterUse a washbasin when you wash and brushDischarge sewage after treatment9Water conservation Recycling Plant more trees;protect the forests and all the animalsUse of renewable materialsRestrict the use of private carsImplement of sustainable economic development10Plant more trees;protect the f The beautiful planet of ours is our home. To take care of the world is to take