世界爱护环境协会举办了"保护我们地球母亲"主题活动，假如你是主办方负责人，请你根据以下内容提示写一篇文章，呼吁人们行动起来保护地球。词数在80-100之间，可适当增减。

地球概况	我们只有一个地球，它是我们的家。它过去是……，但是现在……
污染原因	1.工厂排放有毒气体和水……（后果） 2.人们乱扔垃圾……（后果） 3.人们过量捕杀动物……（后果）
保护措施	……（最起码3条建议）
看法（总结）	……（自己补充）

提示词汇：有害气体 harmful gases 排放 give off
    There is only one Earth.______

【考点】说明文；环境保护．

【答案】    There is only one Earth.It is our home.It used to be healthy，but now it's sick.Pollution is going more and more serious.The factories dump wastes everywhere，people throw rubbish everywhere，and people cut down the trees and destroy the forest．People overkill animals.As a result，the rivers are polluted，so is the air．Recently，someone infected with bird flu virus．Some animals went extinct because they couldn't find food.
    As we all known，we have only one earth，low-carbon lifestyle can not only more comfortable to people but also safer to the environment．I hope we can do something to focus on environmental issues．When we go shopping we can use shopping basket instead of plastic bags，and we must save water and electricity in the daily life．We can reuse our textbook，and we also can write letters to TV station and the newspaper office．
   Let's take action together to protect our home.