英语演讲环境保护英语省公共课一等奖全国赛课获奖课件.pptx

Environment Protection 第1页1、Intruduce To develop the economy,but also protect the environment,which can balance the two?It can be said that there exist the contradictions is not only a short-term problem also a long-term problem.On one hand,human must develop the economic,but the economic development is limited by the environmental protection on the other hand when people pay more and more attention to it.We must look at the issue dialectically.第2页2、situation The development of mankind itself has long been confined to areas of economic development,and development of the natural environment and natural resources to rely on the support of the productive forces,and inevitably the quality of the environment have a negative impact.Half of the 20th century,the development of humanity has been a global threat to the environment for the survival of human beings.第3页3、Question 1Resource crisisOil resources will be exhausted within a generation.Its reserves are not unlimited,easily exploited reserves has been little development of the remaining reserves of more and more difficult to continue to develop to some extent lose value,the energy crisis occurred.第4页 Although coal than oil,but not inexhaustible.Instead of oil and other energy resources,in addition to coal,the large-scale use,little can.Although the inexhaustible solar energy,but too costly and time in a generation able to rapidly develop and widely used.Other new energy sources is also true.第5页 Forest resources is the main advantage of the resources of the human.Rapid economic development the worlds forests in the larger environment is a lot of development.Forest resources to reduce the influence by many factors,but lead to reduction of forest area is the most important factor is the development of forest production of wood and forest products like paper and building materials.第6页 Since a large number of consumer consumption of wood and forest products,thus reducing the global forest area is not only a countrys internal problems,it has become an international issue.According to statistics,in the 21st century,the worlds forests have a decreasing trend,and the demand for wood is increasing.第7页There is no doubt that developed countries are the largest group of timber consumption.Of course,part of the wood consumption in developing countries should not be ignored.第8页Question 2Environmental Pollution Economic development led to extensive use of energy,it brings mankind civilization and prosperity,but also give the survival of the human environment a great disaster.第9页For exampleAcid Rain Heavy use of energy to enhance the human material,but also caused unexpected disaster,the second cause of acid rain damage,almost all over the world great harm.第10页Some people think that acid rain is a silent crisis,but also the history of the impact of our most serious environmental threat,is an invisible enemy too.This is not alarmist.After 60 years,the stone statue of Germany has been thoroughly damaged by acid rain.第11页Question 3 Greenhouse effect There is no doubt that global warming is very serious consequences,such as glaciers melt,sea level rise,desertification,to the ecological system and the serious impact on agricultural production.If the sea level rise 66 meters many coastal areas will disappear in the bottom of the sea.Sea level rise the 24 meters from 1960 to.第12页3、What should we do The earth is our common homeland.Good natural environment is the survival condition for human.So what should we do to protect our environment?1.All countries should enact strict laws to protect the environment.Government should stop factories from pouring waste water into the river and waste gas into the air.2.Advocate low carbon life to reduce carbon dioxide emissions.3.Reduce the use of disposable plastic.4.To reduce the use of disposable tableware as that may be less demand for timber.第13页第14页