保護動物英文ppt.ppt

1、Environmental Protection Only to obey nature in order to overcome nature. - Darwin,Nowadays, more and more people realize it is necessary and important to protect the environment.Most serious environment problems are in the world. Deforestation Global Warming Water pollution Air pollution,burn fuels

2、 carbon dioxide drift into the atmosphere,Global warming trap the heat from the sun,The global warming effect cause some problem: Abnormal weather patterns Rises in sea level Negative impact on agricultural production,Most of the worlds rainforests are in danger of destruction by loggers, farmers an

3、d developers. They are disappearing at a rate of 100 acres a minute. Take measures to protect rainforest . Plant trees No disposable chopsticks and cups Ban deforestation,It is generally accepted that water pollution is a serious public hazard today. Rivers all over the world are becoming polluted w

4、ith garbage and dangerous chemicals. Ships contribute to the problem because they rely on rivers for disposing of wastes. Oil and other chemicals can kill fish and make water unsafe for drinking. Because they rely on rivers for disposing of wastes. Oil and other chemicals can kill fish and make wate

5、r unsafe for drinking. In a word, polluted water is a big problem to everyone.,Certain counter measures need to be taken as soon as possible. To begin with, the governments of all countries are supposed to formulate rules and regulations to deal with the pollution problem. In addition, factories in

6、towns and cities must be prohibited from draining waste liquids into rivers before they are totally treated and purified. I feel if they violate relevant rules or laws, they should be fined heavily.,Some measures,Air pollution is one of the major problems of the modern world. A great deal of energy

7、is needed to run the factories of modern industrial nations. Automobile, trains, planes and busses need energy, too. Nearly all of this energy is produced by burning fuels. The burning produces wastes, some of which remain in the air, causing air pollution.,However, it may be that we still have a long way to go before we have a clean world. Nearly all of the countries are trying hard to prevent and control air pollution. There indeed seems to be no end to tasks