Pollution
As the world is getting more densely populated, pollution presents a severe problem. More people make more waste. All this waste is polluting our surroundings.
Pollution has a bad influence on our life. The air is pollnted by the smoke and fog coming out of the factory chimneys. Plants die for want of fresh air. The river is polluted and the fish are unfit to live. There is noise pollution made by cars and factories, etc, which hurts the ear.
It is high time we did something about pollution. I suggest more trees be planted to keep the air fresh. We should purify the water and make use of the wastes and turn harm into good.
By cur common efforts, we will make a clean and purified environment for life and work. 再答： 望采纳
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