求一高一的英语小演讲稿

Pollution Most of us today (recognize that environmental pollution has been a greatly serious problem. lots of plants trees corps are destroyed by bad air. many fish die of poisonous water. thousands of people die from eating poisoned fish or breathing in gas. therefore, environmental pollution should be responsible for these diseases that are disabling, or bringing death not only to human beings, but also to wild life.)From above, we can find that the reasons why (environment are polluted more and more seriously)are as follows. the primary reason, I think, is (the reason of harmful substances into environment. for example, to prevent insects, farmers make use of great amounts of insecticides, so as to have bumper harvests. however, they pollute air, water and land ).Second,(the gas coming from the car engines and factories also make environment polluted badly ). the third reason actually is (the result of a growing population in the world. everyday, so much litter and waste are pou