What do you think life on earth will be like in 100 years? More comfort? More high-tech? Much better? Maybe .But many scientists see a different future .,They say that by the year 2100 the earth will become a worse place for us to live in.
Greenhouse gases like carbon dioxide are warming up the earth, melting ice ,and raising the level of the oceans. All these changes may bring more disasters ,including earthquakes and floods .
Sounds scary, doesn’t it ? Luckily ,things may not become so bad. Most countries in the world have agreed to slow down earth warming .
In February, the Kyoto agreement began .This is an agreement between 141 countries throughout the world. They want to produce less greenhouse gas and slow the rising temperature .By 2012,35 developed countries will cut greenhouse gas by 5 per cent of the amount they produced in 1990. In order to produce less greenhouse gas, countries have to use cleaner cars and fewer coal power stations. They also need to look for new types of energy. Countries that signed the agreement include China, Japan, Russia and the countries in the European Union.

你认为在100年后，地球上的生命会象什么？更舒适？更高科技？更好？也许有可能。但很多科学家看到一个不同的将来。他们说（或据说）到2100年，地球将变成一个对我们居住更糟糕的地方。
温室气体象二氧化碳正使地球变暖，冰川融化，海面上升。所有的这些变化可能带来更多的灾难，包括地震、水灾。听起来可怕，难道不是吗？很幸运，事情并没有变的如此糟糕。世界上多数国家已同意减慢地球变暖。二月份，京都议定书形成。这是一个在全世界141个国家之间的协议。他们要减少温室气体的排放，减慢温度的升高。到2015年，35个发达国家削减他们在1990年排放总量的5%的温室气体。为了减排温室气体，许多国家不得不使用更清洁的汽车、更少的燃煤电站。他们必须寻找新型能源。签定协议的国家包括中国、小日本、俄罗斯及欧盟国家。
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