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Tham khảo tài liệu 'answers to all toefl essay question part 11', ngoại ngữ, toefl - ielts - toeic phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Answers to All TOEFL Essay Questions Topic 29 Has human harmed the Earth or made it a better place The Earth our home is a planet with a wide range of inhabitants. This diversity helps to maintain the balance of the life cycle on the Earth. We humans have a key role to play in maintaining this ecological system. But today even amidst the huge cry from environmentalists we seldom recognize the importance of the environment. Some of the changes on the Earth like deforestation are a result of industrial and automobile emissions and nuclear activities. They bear testimony to our negligence towards the environment. Right from our school education we have been taught about the key role played by the forests in maintaining the ecological balance. Forests attribute to release of oxygen and absorb the toxic carbon dioxide exhaled by the humans. Thus the forests act as the natural recycling agents balancing the life on this planet. Deforestation has been taking place for many reasons like manufacture of paper from wood pulp and timber and for inhabitation by humans. If this trend continues there is no doubt that in the years to come the Earth will become a dry planet. If deforestation is plundering the gift of God the pollution of environment by automobile and nuclear emissions is a man made menace. Metropolitan cities have been so congested that we are getting used to everyday traffic snarls. Though there has been a worldwide awareness in controlling the automobile emissions in terms of imposing the emission norms on the automobile manufacturers there is still much left to be done. One step could be to impose the law to get the vehicle owners check their vehicles for emission norms once in six months and obtain a valid test certificate. No one can deny the fact that nuclear emissions are more vulnerable to damage the environment than any thing else. But we are always at the threat of a nuke war despite the strong efforts of the international organizations like UN. It is a .
