1、中學生英語演講稿范文what is nature? its everything that exists in the worldindependently of people, such as pants and animals, earth androcks, and the weather.now more and more people are focusing on the nature. it is nodoubt that the nature is important to every human being. nonature, no life. because of the

2、 supplies of the nature, we havelived happily for a long time. and we started to gain every thingavailable from the nature. and this lasted so long a time. today,people have discovered that the nature around is getting worseand worse.what is threatening the nature? air and water pollution,overharves

3、ting of plant and animal species, overpopulation andso on. overpopulation is the biggest source of pollution. lets takeoverpopulation as an example.what does overpopulation feel like? when we move slowlythrough the city in a tazi. when we enter a crowded slum district.when the temperature is high an

4、d when the air is thick with dustand smoke. thestreets are crowded with people. the streets seem alive withpeople. people eating. people washing. people talking.people sleeping. people visiting each other, arguing andscreaming. people relieving themselves. people pushing theirhands through the taxi

5、windows, begging. people leadinganimals. people, people, people, people. as we drive slowlythrough the crowd, sounding the taxis horn, the dust, heat, noiseand cooking fires madeit like a scene from hell! i admit,frightening.to the nature, overpopulation is a big problem. more people,more pollution.

6、 and the big population is threatening the natureevery second.the rapid rise in world population is not creating problems onlyfor the developing countries. the whole world faces the problemthat raw materials are being used up at an increasing rate andfood production can not keep up with the populati

7、on increase.people in rich countries make the heaviest demands on theworlds resources, its food, fuel and land, and cause the mostpollution.a baby born in the united states will use in his lifetime 30 timesmore of the worlds resources than a baby born in india. unlessall the countries of the world t

8、ake united action to deal with thepopulation explosion there will be more and more people fightingfor a share of less and less land, food and fuel, and the future willbring poverty, misery and war to us all.for most of the developing countries, it is a good idea tocontrol the population growth. for

9、example, china has carried outbirth control for years. and this plan has a great effect on theworld population.if the population continues to increase, if the air and watercontinue to be polluted, if we dont do something to protectwild-plant and wildlife species will be declining. species andbiologi

10、cal communities have difficulty adapting to change.economic opportunities and the quality of life of futuregenerations are also put at risk. by protecting nature, we protectourselves.lets unite together, hand in hand we stand allacross the land.we can make this world in which to live. hand in hand. controlthe population growth. take good care of our nature.xianxia high school.中學生英語演講稿范文中學生英語演講稿The Dream Came True中學生英語演講稿：Yes,we can中學生英語演講稿：我的家人