The world we live in is becoming more and more intolerable because ofenvironmental destruction. Bird flu and Sars are two typical examples thatenvironmental destruction may threaten our life. Besides， forest destruction ，water and air pollution result in decrease of planting land and unpleasantweather.
Serious as the problem seems， we can come up with some measures to dealwith it. First of all， the authorities should adopt the policy of "sustainabledevelopment"， and laws concerning environmental protection should be put intoeffect and enforced strictly just as our government has been doing.
What' s more， every citizen should realize the seriousness of the problemand make concerted efforts to protect our environment. In addition， plantingtrees helps improve and beautify the environment.
Harmony with the environment is that we live in on Earth, who is a naturalson, and not only to natural persons as the conqueror, as we all know, there isonly one earth and the mountains on Earth, the animals. Plant human cells, if itdamaged, destroyed nature organizations, to the eradication of mankind.Therefore, the environment must be linked with social ethics, charactereducation and practice acts as an important element of it. Everyone must fulfilits responsibilities and obligations to protect the environment.
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