请以 "Cars and earth" 为题写一篇100词左右的'短文 描述越来越多的汽车对地球造成的负面影响，并提出至少两条应对措施。
审题：
1.本文为论说文，定时态 为现在时态范畴。
2.人称一三为主
3.内容要点：A.介绍背景，切入主题，详细阐述汽车对环境造成的负面影响。B.详细阐述应采取至少两项措施。C.简要呼吁大家保护地球。
4.联想短语及句型：
with the living standards improving fast benefit somebody a lot do harm to be faced with take measures/action /steps to do something environmentally friendly cars reduce the pollution make proper use of
范文：
Nowadays, with the living standards improving fast, masses of people own cars,which certainly benefit them a lot. However,more and more cars will give out poisonous gases and cause air pollution . As a result , the worse environment comes into being .
Therefore, human beings are faced with an urgent task to take measures to save the earth. What's the most important is that the government should pass laws and limit the number of cars. In addition/Besides /What's more ， we must use environmently friendly cars so as to reduce the pollution.
After all,we have only one earth. If we continue polluting it,we shall be punished in time. Thus it is important that we should make proper use of cars and protect our earth./Thus it is important for us to make proper use of cars and protect our earth.