with the economic development, our lives become cosier. we can enjoy our comfortable lives. but do you know how things we use are produced?people produce ? and do you know where the material is from? it is from our mother, the earth. for example, we get fossil oil and coal from underground., they are the wealth that earth gives us. but at the same time human destroy the world, destroy our hometown.

　　what do we cause? global warming,ozone depletion, acid deposition and so on. because of these, th eearth becomes weaker and weaker.

　　the most serious problem is global warming. it means the air temperature rises around the world, the result of global warming is that glacier melts which leads to sea level rises .sea level rise may cause many dangerous things, such as drowning towns and villages, some small island countries are even in danger of being drowned. global warming damages human being, and also the earth. now everyone believes that mitigating global warming is urgent.

　　what should we do? our duty is to reduce carbon emission. firstly, we should choose a low-carbon life. for example, people can walk to offices and schools instead of driving a car. secondly, planting trees is a good and simple way. if everyone plants a tree every year, six billion trees will be planted in a year. how great it is! how clear air will be! thirdly, we should tell everybody the importance of living a simple life. let people act now.

　　you see, saving the earth isn’t difficult.if everybody makes a bit of change, our mother earth will smile at you.

　　隨著經濟的發展，我們的生活變得cozier。我們可以享受舒適的生活。但是你知道如何使用的東西，我們生產的呢?人生產?那你知道哪里有物質從?這是從我們的大地母親。例如，我們可以從地下化石的石油和煤炭。，他們是財富，地球給我們。但在同一時間摧毀人類的世界，破壞我們的家鄉。

　　我們的事業是什么?全球變暖，臭氧層破壞，酸雨等。由于這些，釷eearth變得越來越弱。

　　最嚴重的問題是全球變暖。這意味著世界各地的氣溫上升，全球變暖導致冰川融化是導致海平面上升。海平面上升可能造成許多危險的事情，如城鎮和村莊淹沒，一些小島嶼國家甚至處于危險之中被淹死。全球變暖損害人類的福祉，也是地球。現在大家都認為，減緩全球變暖是緊迫的。

　　我們應該怎么辦?我們的責任是減少碳排放。首先，我們應該選擇低碳生活。例如，人們可以步行到辦公室，而不是駕駛汽車學校。其次，種植樹木是一個很好的和簡單的方法。如果每個人每年種樹，六個億棵樹將種植在一年內。這是多么偉大!如何清除空氣會!第三，我們要告訴大家一個簡單的生活生活的重要性。讓人們立即采取行動。

　　你看，節約地球不是每個人都會對你difficult.if了一點改變，我們的地球母親會微笑。