有人认为人类活动是环境变坏，对此你怎么认为？
Some people believe that the Earth is beingharmed(damaged) by human activity. Others feel that human activity makes the Earth a better place to live. What is your opinion? Use specific reasons and examples to support your answer.
People have been living on the Earth for thousands of years.Humanactivity influences the Earth.Some people believe that the Earth is being harmed by human activity. Others feel that humanactivitymakes the Earth a better place to live. In my opinion, the earth is being damaged by human activity. There are many statements supporting my opinion.
Human activity has damaged natural environment and almostexausted natural resources. Modern industry needs more and more resources,including minerals, fuels and water. So we confront ofthe serious problems such as the lack of fuels and water.Ecological balance is damaged because factories occupy many places where animals and plants live. More and more buildings are constructed and forests become less and less. If we can not recognize these problems and solve them soon, we would finally lose the environment suitable for our living.
An other serious problem is the green-house effect.Humanactivity decreases forests and increases the usage of fuels so that the gas of carbon dioxide is output more and more and there are not enough plants to absorb it. The green-house effect is more obvious and more sensible these years. Due to the effect, icebergsin the south polar and north polar melt and the sea level become shigher than before. I am worried about the cities nearby the sea and hope scientists find an effective method to eliminate the green-house effect.
Although we have advanced machines and our life seems more comfortable than before, we have less chances to approach natures and less spaces to act. The cities become bigger and if we want tohave a picnic with our friends, we have to drive a long distance to find a natural place. In fact, the spaces of human activity are being damaged by the sky scrapers and factories.
From the above statements, we can conclude that human activity brings the Earth many damages. Fortunately people have recognized the point and I believe that the Earth will become abetter placeto live with our ceaseless efforts.
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